TY  - JOUR
AU  - A. I. Achildiev
TI  - Charateristic functions of the first boundary value problem for el­liptic equations degenerating at certain points
JO  - Doklady Akademii Nauk
PY  - 1969
SP  - 1207
EP  - 1209
VL  - 188
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1969_188_6_a0/
LA  - ru
ID  - DAN_1969_188_6_a0
ER  -