1. Valery V. Kozlov On the Occasion of his 70th Birthday

   Announcement 20 February 2020 Pages: 1 - 1

2. A Map for Systems with Resonant Trappings and Scatterings

   • Anton V. Artemyev
   • Anatoly I. Neishtadt
   • Alexei A. Vasiliev

   OriginalPaper 20 February 2020 Pages: 2 - 10

3. Two Variations on the Periscope Theorem

   • Serge Tabachnikov

   OriginalPaper 20 February 2020 Pages: 11 - 17

4. On the Nonholonomic Routh Sphere in a Magnetic Field

   • Alexey V. Borisov
   • Andrey V. Tsiganov

   OriginalPaper 20 February 2020 Pages: 18 - 32

5. Periodic Controls in Step 2 Strictly Convex Sub-Finsler Problems

   • Yuri L. Sachkov

   OriginalPaper 20 February 2020 Pages: 33 - 39

6. On Dynamics of Jellet’s Egg. Asymptotic Solutions Revisited

   • Stefan Rauch-Wojciechowski
   • Maria Przybylska

   OriginalPaper 20 February 2020 Pages: 40 - 58

7. Lax Pairs and Special Polynomials Associated with Self-similar Reductions of Sawada — Kotera and Kupershmidt Equations

   • Nikolay A. Kudryashov

   OriginalPaper 20 February 2020 Pages: 59 - 77

8. N-body Dynamics on an Infinite Cylinder: the Topological Signature in the Dynamics

   • Jaime Andrade
   • Stefanella Boatto
   • Teresinha J. Stuchi

   OriginalPaper 20 February 2020 Pages: 78 - 110

9. On Periodic Poincaré Motions in the Case of Degeneracy of an Unperturbed System

   • Anatoly P. Markeev

   OriginalPaper 20 February 2020 Pages: 111 - 120

10. Asymptotic Invariant Surfaces for Non-Autonomous Pendulum-Type Systems

    • Alexander A. Burov
    • Anna D. Guerman
    • Vasily I. Nikonov

    OriginalPaper 20 February 2020 Pages: 121 - 130