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Contents

Russian Contents

Versal deformations of linear Hamiltonian systems

On the analyticity of solutions of linear second order partial differential equations

Necessary conditions for the Cauchy problem for nonsymmetrizable hyperbolic systems to be well-posed

On the local solvability of a class of pseudodifferential equations with double characteristics

On bifurcation of topological type of singular points of vector fields depending on parameters

Construction of the solutions of a system of boundary-layer equations by the method of lines with respect to time

On Prandtl’s system of equations for the boundary layer with a surface of discontinuity

On the solvability of the Cauchy problem for the Hopf equation corresponding to a nonlinear hyperbolic equation

On a class of pseudodifferential equations with multiple characteristics

The multiplicity of limit cycles arising from perturbations of the form 𝑤’=𝑃₂/𝑄₁ of a Hamilton equation in the real and complex domain

A priori estimates for equations of parabolic type

Almost periodic Fourier integral operators and some of their applications

Fundamental solutions of quasihyperbolic equations and polynomials of several variables

On the behavior of solutions of inhomogeneous elliptic systems in unbounded domains

First integrals and integrability of systems of quasilinear equations

The density of states of selfadjoint elliptic operators with almost periodic coefficients

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