TY  - JOUR
AU  - P. I. Lizorkin
TI  - On the theory of degenerate elliptic equations
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1985
SP  - 235
EP  - 251
VL  - 172
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM_1985_172_a16/
LA  - ru
ID  - TM_1985_172_a16
ER  -