TY  - JOUR
AU  - P. I. Lizorkin
AU  - S. M. Nikol'skii
TI  - An elliptic equation with degeneracy. A variational method
JO  - Doklady Akademii Nauk
PY  - 1981
SP  - 42
EP  - 45
VL  - 257
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1981_257_1_a8/
LA  - ru
ID  - DAN_1981_257_1_a8
ER  -