1. Integration of a deep fluid equation with a free surface

   • V. E. Zakharov

   OriginalPaper 06 April 2020 Pages: 285 - 294

2. Point equivalence of second-order ordinary differential equations to the fifth Painlevé equation with one and two nonzero parameters

   • Yu. Yu. Bagderina

   OriginalPaper 06 April 2020 Pages: 295 - 308

3. The Phillips spectrum and a model of wind-wave dissipation

   • S. I. Badulin
   • V. E. Zakharov

   OriginalPaper 06 April 2020 Pages: 309 - 318

4. Longitudinal bulk strain solitons in a hyperelastic rod with quadratic and Cubic nonlinearities

   • F. E. Garbuzov
   • Y. M. Beltukov
   • K. R. Khusnutdinova

   OriginalPaper 06 April 2020 Pages: 319 - 333

5. Primitive solutions of the Korteweg–de Vries equation

   • S. A. Dyachenko
   • P. Nabelek
   • V. E. Zakharov

   OriginalPaper 06 April 2020 Pages: 334 - 343

6. A new class of exact solutions in the planar nonstationary problem of motion of a fluid with a free boundary

   • E. N. Zhuravleva
   • N. M. Zubarev
   • E. A. Karabut

   OriginalPaper 06 April 2020 Pages: 344 - 351

7. Integrable model of the interaction of counter-propagating weakly nonlinear waves on the fluid boundary in a horizontal electric field

   • N. M. Zubarev
   • E. A. Kochurin

   OriginalPaper 06 April 2020 Pages: 352 - 362

8. Motion of dispersive shock edges in nonlinear pulse evolution

   • A. M. Kamchatnov

   OriginalPaper 06 April 2020 Pages: 363 - 370

9. Construction of exact solutions of the problem of the motion of a fluid with a free boundary using infinite systems of differential equations

   • E. A. Karabut
   • E. N. Zhuravleva

   OriginalPaper 06 April 2020 Pages: 371 - 380

10. Relaxation cycles in a model of two weakly coupled oscillators with sign-changing delayed feedback

    • A. A. Kashchenko

    OriginalPaper 06 April 2020 Pages: 381 - 389

11. Why do the microstructures of the main pulse and the interpulse of the pulsar in the Crab nebula differ so dramatically?

    • V. M. Kontorovich

    OriginalPaper 06 April 2020 Pages: 390 - 398

12. Semiclassical expansion of quantum gases into a vacuum

    • E. A. Kuznetsov
    • M. Yu. Kagan

    OriginalPaper 06 April 2020 Pages: 399 - 411

13. Hamiltonian description of vortex systems

    • L. I. Piterbarg

    OriginalPaper 06 April 2020 Pages: 412 - 427

14. Integrable evolution systems of geometric type

    • V. V. Sokolov

    OriginalPaper 06 April 2020 Pages: 428 - 436