TY  - JOUR
AU  - N. A. Izobov
TI  - The canonical form of a linear two-dimensional system with variable coefficients
JO  - Differencialʹnye uravneniâ
PY  - 1971
SP  - 2136
EP  - 2142
VL  - 7
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1971_7_12_a1/
LA  - ru
ID  - DE_1971_7_12_a1
ER  -