TY  - JOUR
AU  - I. T. Tazhimuratov
TI  - On the reducibility of systems of first-order linear partial
JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 830
EP  - 831
VL  - 320
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a12/
LA  - ru
ID  - DAN_1991_320_4_a12
ER  -