1. Nikolai Nikolaevich Krasovskii (A tribute in honor of his eighty-fifth birthday)

   • D. V. Anosov
   • F. L. Chernous’ko
   • V. A. Pliss

   Members of Scientific Community 08 December 2009 Pages: 1401 - 1407

2. Barrier strips and positive solutions of first order singular and regular initial value problems

   • R. P. Agarwal
   • P. S. Kelevedjiev
   • D. O’Regan

   Ordinary Differential Equations 08 December 2009 Pages: 1408 - 1413

3. Joint estimates of quasi-integrals of three-dimensional skew-symmetric linear differential systems

   • N. A. Izobov
   • S. E. Karpovich
   • A. V. Lipnitskii

   Ordinary Differential Equations 08 December 2009 Pages: 1414 - 1422

4. Linear differential equations in L ₂ with radial derivatives

   • V. D. Repnikov

   Ordinary Differential Equations 08 December 2009 Pages: 1423 - 1428

5. On two-parameter spectral problems and their application

   • V. K. Romanko

   Ordinary Differential Equations 08 December 2009 Pages: 1429 - 1439

6. Quadratic systems with maximum number of limit cycles

   • L. A. Cherkas

   Ordinary Differential Equations 08 December 2009 Pages: 1440 - 1450

7. Solvability of a class of boundary value problems for higher-order operator-differential equations

   • R. Z. Gumbataliev

   Partial Differential Equations 08 December 2009 Pages: 1451 - 1459

8. Criterion for the strong solvability of the mixed Cauchy problem for the Laplace equation

   • T. Sh. Kal’menov
   • U. A. Iskakova

   Partial Differential Equations 08 December 2009 Pages: 1460 - 1466

9. Goursat problem for a fourth-order equation with the biwave operator

   • V. I. Korzyuk
   • E. S. Cheb

   Partial Differential Equations 08 December 2009 Pages: 1467 - 1472

10. Lifespan estimates for solutions of some evolution inequalities

    • E. Mitidieri
    • S. I. Pokhozhaev

    Partial Differential Equations 08 December 2009 Pages: 1473 - 1484

11. Basis property of the eigenfunctions of a generalized gasdynamic Frankl problem with a nonlocal evenness condition and with a discontinuity in the solution gradient

    • E. I. Moiseev
    • N. Abbasi

    Partial Differential Equations 08 December 2009 Pages: 1485 - 1490

12. On a system of singular integral equations whose kernels contain solutions of transmission problems

    • A. A. Polosin

    Integral Equations 08 December 2009 Pages: 1491 - 1496

13. Invariant families of sets and zero dynamics of linear nonstationary control systems with scalar input and output

    • I. V. Gaishun

    Control Theory 08 December 2009 Pages: 1497 - 1506

14. Estimates for normal solutions in problems with irregular zonal controls for the wave equation

    • M. M. Potapov

    Control Theory 08 December 2009 Pages: 1507 - 1513

15. On the optimal boundary control of vibrations of a spherical layer

    • S. A. Sergeev

    Control Theory 08 December 2009 Pages: 1514 - 1525

16. Optimal coefficient control in parabolic systems

    • R. K. Tagiev

    Control Theory 08 December 2009 Pages: 1526 - 1535

17. On first integrals of a class of third-order differential equations

    • N. S. Berezkina
    • I. P. Martynov
    • V. A. Pron’ko

    Short Communications 08 December 2009 Pages: 1536 - 1538

18. On the convergence rate of the finite element method in a semicoercive problem with friction

    • E. M. Vikhtenko
    • R. V. Namm

    Short Communications 08 December 2009 Pages: 1539 - 1543

19. On a spectral problem in the theory of the heat operator

    • N. Yu. Kapustin

    Short Communications 08 December 2009 Pages: 1544 - 1546

20. On the solvability of the tricomi problem for the Lavrent’ev-Bitsadze equation with mixed boundary conditions

    • T. E. Moiseev

    Short Communications 08 December 2009 Pages: 1547 - 1549

21. Investigation of the boat control equation with regard of delay

    • L. Z. Fishman

    Short Communications 08 December 2009 Pages: 1550 - 1553

22. On a linear nth-order differential equation with special right-hand side in a Banach space

    • V. I. Fomin

    Short Communications 08 December 2009 Pages: 1554 - 1556