TY  - JOUR
AU  - P. I. Lizorkin
AU  - S. M. Nikol'skii
TI  - Elliptic equations with degeneracy. Differential properties of solutions
JO  - Doklady Akademii Nauk
PY  - 1981
SP  - 278
EP  - 282
VL  - 257
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1981_257_2_a4/
LA  - ru
ID  - DAN_1981_257_2_a4
ER  -