Gubanova E S

Publications in Math-Net.Ru

1. A problem in the theory of second-order elliptic equations in the plane
   
   Differ. Uravn., 22:9 (1986),  1609–1610
2. Some questions of the theory of second-order elliptic equations on the plane
   
   Differ. Uravn., 19:4 (1983),  618–621