TY  - JOUR
AU  - Yu. A. Konyaev
TI  - Classes of regular and singular boundary problems
JO  - Matematičeskie zametki
PY  - 1992
SP  - 149
EP  - 151
VL  - 51
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1992_51_2_a21/
LA  - ru
ID  - MZM_1992_51_2_a21
ER  -