TY  - JOUR
AU  - G. I. Èskin
TI  - General boundary-value problems for equations of principal type in a~planar domain with angle points
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1963
VL  - 18
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1963_18_3_a19/
LA  - ru
ID  - RM_1963_18_3_a19
ER  -