TY  - JOUR
AU  - A. D. Avdeev
TI  - Second order matrix differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1977
SP  - 579
EP  - 591
VL  - 13
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1977_13_4_a0/
LA  - ru
ID  - DE_1977_13_4_a0
ER  -