TY  - JOUR
AU  - V. K. Romanko
TI  - The conjugation problem for operator-differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1980
SP  - 124
EP  - 134
VL  - 16
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1980_16_1_a14/
LA  - ru
ID  - DE_1980_16_1_a14
ER  -