TY  - JOUR
AU  - A. V. Ivanov
TI  - The solvability of the Dirichlet problem for certain classes of second order elliptic systems
JO  - Informatics and Automation
PY  - 1973
SP  - 56
EP  - 87
VL  - 125
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1973_125_a2/
LA  - ru
ID  - TRSPY_1973_125_a2
ER  -