TY  - JOUR
AU  - V. E. Balabaev
TI  - First-order canonical elliptic systems
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 2082
EP  - 2094
VL  - 27
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_12_a8/
LA  - ru
ID  - DE_1991_27_12_a8
ER  -