G. Karatoprakliev, “On a generalization of the $T$-problem for the equation $u_{xx}+\operatorname{sign}yu_{yy}=0$”, Dokl. Akad. Nauk SSSR, 1963, Volume 151, Number 6,Pages 1271

MATHEMATICS

On a generalization of the $T$-problem for the equation $u_{xx}+\operatorname{sign}yu_{yy}=0$

G. Karatoprakliev

Institute of Mathematics and Informatics, Bulgarian Academy of Sciences

Presented: M. A. Lavrent'ev
Received: 18.04.1963