TY  - JOUR
AU  - N. A. Zhura
TI  - A general boundary value problem for higher-order systems that are elliptic in the Douglis--Nirenberg sense with constant coefficients in the plane
JO  - Doklady Akademii Nauk
PY  - 1993
SP  - 668
EP  - 671
VL  - 331
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1993_331_6_a3/
LA  - ru
ID  - DAN_1993_331_6_a3
ER  -