1. Bifurcation of an Equilibrium for a System of Differential Equations in the Critical Case of Two Pure Imaginary and Two Zero Roots of the Characteristic Equation: II

   • V. V. Basov

   OriginalPaper Pages: 459 - 463

2. A Critical Periodic Boundary Value Problem for a Matrix Riccati Equation

   • A. A. Boichuk
   • S. A. Krivosheya

   OriginalPaper Pages: 464 - 471

3. Reducibility of Single-Input Linear Piecewise Smooth Systems to Hessenberg and Frobenius Forms

   • V. T. Borukhov
   • I. V. Gaishun

   OriginalPaper Pages: 472 - 478

4. A Parameter Extension Method for Solving Boundary Value Problems in Optimal Control Theory

   • V. V. Dikusar
   • M. Koska
   • A. Figura

   OriginalPaper Pages: 479 - 484

5. Remarks on Guiding Functions and Periodic Solutions

   • V. V. Filippov

   OriginalPaper Pages: 485 - 497

6. Nonanticipating Multimappings and Their Construction by the Method of Program Iterations: I

   • A. G. Chentsov

   OriginalPaper Pages: 498 - 509

7. A Special Dulac Function for a Quadratic System on the Plane

   • L. A. Cherkas
   • I. S. Shchukina

   OriginalPaper Pages: 510 - 516

8. The Green Matrix for Strictly Hyperbolic Systems with Second-Order Derivatives

   • L. A. Alekseeva
   • G. K. Zakir'yanova

   OriginalPaper Pages: 517 - 523

9. A Two-Dimensional Step-Like Contrast Structure in the Case of a Multiple Root of the Transition Line Equation

   • V. F. Butuzov
   • V. V. Kiryushin

   OriginalPaper Pages: 524 - 539

10. Criticality for Some Evolution Equations

    • M. Guedda
    • M. Kirane

    OriginalPaper Pages: 540 - 550

11. Critical Exponents for the Absence of Solutions for Systems of Quasilinear Parabolic Inequalities

    • S. I. Pokhozhaev
    • A. Tesei

    OriginalPaper Pages: 551 - 558

12. A Generalization of a Fundamental System of Functions of the Laplace Operator

    • M. A. Soldatova

    OriginalPaper Pages: 559 - 567

13. Periodic Solutions of a System of Linear Difference Equations with Continuous Argument

    • M. G. Blizorukov
    • Yu. F. Dolgii

    OriginalPaper Pages: 568 - 577

14. A Two-SidedMethod for the First Boundary Value Problem for Singular Ordinary Differential Equations

    • I. I. Lazurchak

    OriginalPaper Pages: 578 - 588

15. A Class of Singularly Perturbed Boundary Value Problems with Unstable Spectrum of the Limit Operator

    • Yu. A. Konyaev

    OriginalPaper Pages: 589 - 592

16. Conditions for Convergence of Biorthogonal Expansions of Functions on a Closed Interval

    • I. S. Lomov

    OriginalPaper Pages: 593 - 597

17. Periodic Solutions of Nonlinear Nonautonomous Systems of Ordinary Differential Equations

    • M. T. Terekhin
    • N. V. Retyunskikh

    OriginalPaper Pages: 598 - 602

18. The Dirichlet Problem for a Degenerate Hyperbolic Equation in a Rectangle

    • M. M. Khachev

    OriginalPaper Pages: 603 - 606