TY  - JOUR
AU  - A. A. Arkhipova
TI  - On smoothness of solutions of the problem with obstacle
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1973
SP  - 7
EP  - 9
VL  - 38
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1973_38_a1/
LA  - ru
ID  - ZNSL_1973_38_a1
ER  -