Makhorkin A V

Publications in Math-Net.Ru

1. Bifurcation of the periodic solution of a completely integrable Pfaffian system
   
   Differ. Uravn., 23:6 (1987),  1084–1086
2. A linear completely integrable Pfaffian system with a regular singular point
   
   Differ. Uravn., 23:4 (1987),  724–725
3. The normal form on an invariant surface of a completely integrable Pfaffian system
   
   Differ. Uravn., 20:10 (1984),  1824–1827