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Ordinary Differential Equations
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The “freezing” method for nonlinear equations
M. I. Gil'
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1291 |
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A nonlocal boundary value problem of the first kind in a differential and a difference treatment
D. M. Dovletov
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1297 |
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An inequality of Hilbert type in a system of eigen- and associated functions of a second-order differential operator for odd and even functions
H. M. Karov
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1307 |
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Stability of functional-differential inclusions
A. A. Levakov
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1312 |
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Nonlocal boundary value problems for ordinary differential equations
Yu. V. Pokornyi, K. P. Lazarev, T. M. Gareeva
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1321 |
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Frequency criteria for the stability and instability of linear periodic systems
A. V. Savkin
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1332 |
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Asymptotics of the spectral function of a discrete operator
V. A. Sadovnichii, V. V. Dubrovskii, A. V. Nagornyi
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1340 |
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A variational approach to nonresonance problems for semilinear equations in a Hilbert space
S. A. Terziyan
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1344 |
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A singular differential equation with a small parameter in the case of a variable bounded operator coefficient
V. I. Fomin
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1350 |
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Partial Differential Equations
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A nonlocal boundary value problem for hyperbolic-parabolic equations
G. D. Karatoprakliev
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1355 |
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The Cauchy problem for evolution equations of fractional order
A. N. Kochubei
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1359 |
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On the behavior of solutions of some semilinear elliptic and parabolic inequalities
D. I. Kristev
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1368 |
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A mixed problem for a degenerate equation of plate oscillation type
S. P. Lavrenyuk
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1375 |
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Lower bounds on the Green function of the second mixed problem for a second-order parabolic equation
A. V. Lezhnev
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1383 |
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Isolation of a generalized solution of the Cauchy problem for a system of equations of gas dynamics without convexity conditions
G. N. Pazin
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1394 |
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On the Riemann–Hilbert boundary value problem ($L_2$-theory)
M. M. Sirazhudinov
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1400 |
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Optimal control of objects that can be described by quasilinear elliptic equations
M. I. Sumin
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1406 |
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On the problem of the motion of an ideal fluid in an unbounded elastic basin
A. Collar
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1417 |
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Limit transitions in optimal control problems for a fourth-order operator
A. M. Khludnev
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1427 |
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Short Communications
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An integral representation of solutions of the Moisil–Teodorescu system with singularities in the small terms
A. Abdushukurov
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1436 |
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The regularized trace of the Sturm–Liouville operator
T. G. Amangil'din
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1439 |
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A boundary value operator with a condition at infinity for third-order equations
S. A. Bespalova, Yu. A. Klokov
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1441 |
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On an estimate for the modulus of the solution of a nonlinear system of functional-differential equations of parabolic type
S. Bzhyhchy
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1444 |
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Stability of almost periodic systems with respect to some of the variables
A. O. Ignatyev
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1446 |
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Application of the normalization method to the study of the dynamics of a differential-difference equation with a small factor multiplying the derivative
S. A. Kashchenko
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1448 |
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A frequency criterion for instability in the large of nonlinear dynamical systems
M. I. Lapachugina, G. A. Leonov
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1451 |
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Decomposition in dynamic problems with mixed constraints
I. S. Litvinchev
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1453 |
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A stable method for determining pseudo-solutions of nonlinear equations with monotone operators
I. P. Ryazantseva
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1457 |
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Generalization of the method of characteristics for a nonlocal quasilinear equation
S. M. Samarina
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1459 |
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Solvability of a discrete equation of convolution type with variable coefficients
A. I. Tuzik
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1462 |
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Letters to the Editor
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Поправки к статье H. И. Гаврилова: VII всесоюз. конф. «Качественная теория дифференциальных уравнений», 3–7 апр. 1980 г.
A. K. Gushchin, Yu. N. Drozhzhinov, V. M. Millionshchikov, V. P. Mikhailov
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1465 |
