Nikonenko V V

Publications in Math-Net.Ru

1. Certain properties of the $O$-curves of first order equations with factored right-hand side
   
   Differ. Uravn., 9:10 (1973),  1810–1816
2. The existence and uniqueness of $O$-curves in normal domains
   
   Differ. Uravn., 8:6 (1972),  1126–1129