TY  - JOUR
AU  - V. S. Vinogradov
TI  - Investigation of boundary value problems for elliptic systems of first order
JO  - Matematičeskie zametki
PY  - 1973
SP  - 291
EP  - 304
VL  - 14
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1973_14_2_a14/
LA  - ru
ID  - MZM_1973_14_2_a14
ER  -