TY  - JOUR
AU  - V. M. Merkis
TI  - The integration in closed form of certain linear systems of second order ordinary differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1969
SP  - 641
EP  - 647
VL  - 5
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1969_5_4_a3/
LA  - ru
ID  - DE_1969_5_4_a3
ER  -