TY  - JOUR
AU  - M. B. Kapilevich
TI  - Singular Goursat problems in a neighborhood of a singular characteristic at zero and at infinity
JO  - Doklady Akademii Nauk
PY  - 1961
SP  - 1287
EP  - 1290
VL  - 137
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1961_137_6_a7/
LA  - ru
ID  - DAN_1961_137_6_a7
ER  -