Vorob'ev A P

Publications in Math-Net.Ru

1. The cycles of a certain first order equation
   
   Differ. Uravn., 5:7 (1969),  1159–1166
2. Sufficiency conditions for isochronism of canonical systems of two differential equations
   
   Differ. Uravn., 1:5 (1965),  582–584
3. Qualitative investigation in the large of integral curves of isochronous systems of two differential equations
   
   Differ. Uravn., 1:4 (1965),  439–441
4. On the rational solutions of the second Painlevé equation
   
   Differ. Uravn., 1:1 (1965),  79–81