1. Relative equilibrium and collapse configurations of four point vortices

   • K. A. O’neil

   Research Articles Pages: 117 - 126

2. Rubber rolling over a sphere

   • J. Koiller
   • K. Ehlers

   Research Articles Pages: 127 - 152

3. Rolling of a non-homogeneous ball over a sphere without slipping and twisting

   • A. V. Borisov
   • I. S. Mamaev

   Research Articles Pages: 153 - 159

4. On an integrable case of Kozlov-Treshchev Birkhoff integrable potentials

   • P. A. Damianou
   • V. G. Papageorgiou

   Research Articles Pages: 160 - 171

5. Geodesic flow on three-dimensional ellipsoids with equal semi-axes

   • C. M. Davison
   • H. R. Dullin

   Research Articles Pages: 172 - 197

6. Power expansions for the self-similar solutions of the modified Sawada-Kotera equation

   • O. Yu. Efimova
   • N. A. Kudryashov

   Research Articles Pages: 198 - 218

7. One case of vortex motion in fluid

   • S. A. Chaplygin

   Dynamics Interpretari Pages: 219 - 232