1. Bifurcations of three-dimensional diffeomorphisms with non-simple quadratic homoclinic tangencies and generalized Hénon maps

   • S. V. Gonchenko
   • V. S. Gonchenko
   • J. C. Tatjer

   Research Articles Pages: 233 - 266

2. Separation of variables in the generalized 4th Appelrot class

   • M. P. Kharlamov

   Research Articles Pages: 267 - 280

3. On the existence of invariant tori in nearly-integrable Hamiltonian systems with finitely differentiable perturbations

   • J. Albrecht

   Research Articles Pages: 281 - 320

4. Further development of the mathematical model of a snakeboard

   • A. S. Kuleshov

   Research Articles Pages: 321 - 334

5. Regularity of Bunimovich’s stadia

   • N. Chernov
   • H. -K. Zhang

   Research Articles Pages: 335 - 356