TY  - JOUR
AU  - Ya. A. Roitberg
AU  - Z. G. Sheftel
TI  - General boundary value problems for systems with strong degeneration which are elliptic in the sense of Douglis--Nirenberg
JO  - Doklady Akademii Nauk
PY  - 1984
SP  - 1324
EP  - 1327
VL  - 276
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1984_276_6_a10/
LA  - ru
ID  - DAN_1984_276_6_a10
ER  -