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On the 90th anniversary of Professor Toleubay Idrisovich Amanov (25.08.1923–21.06.1978)
O. V. Besov, V. I. Burenkov, T. Sh. Kalmenov, R. Oinarov, M. Otelbaev, E. S. Smailov
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5 |
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The O'Neil inequality for the Hankel convolution operator and some applications
C. Aykol, V. S. Guliyev, A. Serbetci
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8 |
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An inverse problem for the matrix quadratic pencil on a finite interval
N. P. Bondarenko
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20 |
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Addition of lower order terms preserving almost hypoellipticity of polynomials
H. G. Ghazaryan
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32 |
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On spectral properties of a periodic problem with an integral perturbation of the boundary condition
N. S. Imanbaev, M. A. Sadybekov
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53 |
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New examples of Pompeiu functions
G. A. Kalyabin
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63 |
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A maximum principle in spectral optimization problems for elliptic operators subject to mass density perturbations
P. D. Lamberti, L. Provenzano
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70 |
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Qualitative properties of structurally damped wave models
S. Matthes, M. Reissig
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84 |
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Properties of singular integrals in terms of maximal functions measuring smoothness
R. M. Rzaev
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107 |
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Best polynomial approximations and widths of certain classes of functions in the space $L_2$
G. A. Yusupov
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120 |
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Short communications
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An inequality for the weighted Hardy operator for $0<p<1$
N. Azzouz, B. Halim, A. Senouci
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127 |
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Mathematical model of the gas flow in the shock front
S. K. Matveev, N. Zh. Jaichibekov
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132 |
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Applications of Sobolev lattice cubature formulas
M. D. Ramazanov, D. Y. Rakhmatullin
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137 |
