TY  - JOUR
AU  - A. Dzhuraev
TI  - On a degenerate boundary value problem in $3$-dimensional space
JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 1043
EP  - 1048
VL  - 320
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_320_5_a2/
LA  - ru
ID  - DAN_1991_320_5_a2
ER  -