Differ. Uravn., 2001, Volume 37, Number 6

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2001, Volume 37, Number 6

Ordinary Differential Equations
	Oscillation Conditions for a Third-Order Linear Equation L. Adamec, A. Lomtatidze	723
	Quasiperiodic Solutions of Linear Nonhomogeneous Differential Equations A. K. Demenchuk	730
	Blow-Up Kneser Solutions of Nonlinear Higher-Order Differential Equations I. T. Kiguradze	735
	Unique Solvability of the Equations of Motion of a Mechanical System with Dry Friction I. V. Matrosov	744
	Coppel–Conti Sets of Linear Unstable Systems Z. N. Primicheva, R. A. Prokhorova	752
	Some Boundary Value Problems for Nonlinear Functional-Differential Equations B. Puzha	761
	Regularized Traces for a Class of Singular Operators I. V. Sadovnichaya	771

Partial Differential Equations
	Regular Perturbations of Nonstationary Problems of Mathematical Physics Related to Linear Constraints: II E. G. D'yakonov	779
	The Construction of a Self-Adjoint Extension of the Schrödinger Operator with Potential Concentrated on a Stratified Pencil of Planes M. V. Korovina	792
	Unboundedness of Solutions of an Initial-Boundary Value Problem for a Degenerate Nonlinear Parabolic Equation I. L. Pokrovski	796
	An Analog of Andre's Re ection Principle for Diffusion Processes with a Small Parameter S. M. Frolovichev	800

Integral Equations and Integral-Differential
	Riesz Summability of Spectral Expansions for a Class of Integral Operators A. P. Gurevich, A. P. Khromov	809
	An Application of the Riesz–Schauder Theorem to Integral Equations of the Kneser Type H. M. Karov	815
	Averaging of Integro-Quasidifferential Equations T. A. Mel'nik	820
	The Algebra of Singular Operators with Terminal Symbol on a Piecewise Smooth Curve: II. Basic Constructions A. P. Soldatov	825

Short Communications
	Invertibility of Nonnegatively Hamiltonian Operators in a Hilbert Space G. A. Kurina	839
	Construction of the Asymptotics of the Green Function in a Neighborhood of a Singular Point I. V. Pershin	842
	A Classical Solution, Weakened on the Axis, of a Centrally Symmetric Mixed Problem for a Three-Dimensional Hyperbolic Equation in Hölder Spaces N. J. Yurchuk, V. I. Yashkin, Charie Cocu	844

Chronicle
	Seminar on Qualitative Theory of Differential Equations at Moscow State University	847