1. On the 50th anniversary of the founding of the USSR

   Announcement Pages: 765 - 766

2. Nonlinear interactions of langmuir waves in a weakly inhomogeneous plasma

   • B. V. Lundin

   OriginalPaper Pages: 767 - 773

3. Theory of plasma acceleration in electric and magnetic fields

   • O. V. Manukhina

   OriginalPaper Pages: 774 - 777

4. Population inversion and radiation density in a Q-switched CO₂ laser

   • P. A. Skovorodko
   • Yu. A. Yakobi

   OriginalPaper Pages: 778 - 782

5. Measurement of the probability of the transition P20 (00 °1–10 °0) in CO₂ and impact broadening in collisions with CO₂, N₂, and He

   • V. V. Danilov
   • É. P. Kruglyakov
   • E. V. Shun'ko

   OriginalPaper Pages: 783 - 786

6. Kinetic equations for vibrational relaxation in a mixture of polyatomic gases

   • A. S. Biryukov
   • B. F. Gordiets

   OriginalPaper Pages: 787 - 793

7. A Knudsen layer in a flow with two-temperature relaxation

   • M. M. Kuznetsov

   OriginalPaper Pages: 794 - 798

8. Distribution of radiant thermal flux over the surface of a sphere for hypersonic flow of a nonviscous radiating gas past the sphere

   • N. N. Pilyugin

   OriginalPaper Pages: 799 - 803

9. Flow of a supersonic low-density jet of nitrogen and nitrogen-hydrogen mixture over a blunt body

   • A. A. Bochkarev
   • V. A. Kosinov
   • A. K. Rebrov

   OriginalPaper Pages: 804 - 808

10. Invariant solutions of the Navier-Stokes equations

    • V. O. Bytev

    OriginalPaper Pages: 809 - 816

11. Onset of convection regimes with double period in a periodic field of external forces

    • G. S. Markman
    • V. I. Yudovich

    OriginalPaper Pages: 817 - 821

12. Numerical-analytical method of calculating the jet flow of a current of heavy fluid around curved obstacles

    • L. G. Guzevskii

    OriginalPaper Pages: 822 - 826

13. Influence of jet turbulence on flow in the boundary layer near the wall

    • I. A. Belov
    • G. F. Gorshkov
    • V. S. Terpigor'ev

    OriginalPaper Pages: 827 - 830

14. Experimental investigation of the heat exchange in separation zones ahead of cylindrical obstacles

    • B. E. Luzhanskii
    • V. P. Solntsev

    OriginalPaper Pages: 831 - 836

15. The necessary conditions for stable combustion of a powder in a half-closed chamber

    • V. N. Vilyunov
    • A. P. Rudnev

    OriginalPaper Pages: 837 - 844

16. Multizone combustion of condensed systems

    • A. G. Merzhanov
    • É. N. Rumanov
    • B. I. Khaikin

    OriginalPaper Pages: 845 - 850

17. Elementary theory of the boiling layer

    • M. A. Gol'dshtik

    OriginalPaper Pages: 851 - 856

18. Prediction of salt conditions in irrigated soils in the presence of drainage

    • N. I. Gamayunov
    • D. F. Shul'gin

    OriginalPaper Pages: 857 - 861

19. Motion of a liquid in a fractured porous stratum with unsteady-state filtration

    • S. N. Bagir-zade
    • G. P. Guseinov

    OriginalPaper Pages: 862 - 867

20. Nonstationary equations of nonlinear elasticity theory in eulerian coordinates

    • S. K. Godunov
    • E. I. Romenskii

    OriginalPaper Pages: 868 - 884

21. Sensitivity of petn to an electric spark

    • I. D. Romanov
    • V. V. Sten'gach

    OriginalPaper Pages: 891 - 893

22. Equations of state of condensed media

    • V. E. Fortov

    OriginalPaper Pages: 894 - 902

23. Compliance with the additivity rule for a number of alloys under shock compression

    • A. A. Bakanova
    • I. P. Dudoladov
    • Yu. N. Sumulov

    OriginalPaper Pages: 903 - 907

24. Stochastic instability of multidimensional anharmonic lattices

    • E. M. Krushkal'

    OriginalPaper Pages: 908 - 912

25. On the principle of minimum power in an arc discharge

    • M. O. Rozovskii

    OriginalPaper Pages: 913 - 915

26. Time-dependent changes of the characteristics of light scattering by an aqueous medium subjected to a hydrodynamic perturbation

    • V. M. Sysak
    • A. M. Trokhan

    OriginalPaper Pages: 916 - 918