TY  - JOUR
AU  - S. R. Umarov
TI  - On the well-posedness of boundary value problems for
JO  - Doklady Akademii Nauk
PY  - 1992
SP  - 1036
EP  - 1039
VL  - 322
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1992_322_6_a5/
LA  - ru
ID  - DAN_1992_322_6_a5
ER  -