TY  - JOUR
AU  - G. Karatoprakliev
TI  - On a generalization of the $T$-problem for the equation $u_{xx}+\operatorname{sign}yu_{yy}=0$
JO  - Doklady Akademii Nauk
PY  - 1963
SP  - 1271
EP  - 1273
VL  - 151
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1963_151_6_a7/
LA  - ru
ID  - DAN_1963_151_6_a7
ER  -