TY  - JOUR
AU  - M. K. Bugir
TI  - Conditions for the nonoscillation of solutions of systems of second-order differential equations
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 2000
SP  - 12
EP  - 18
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_2000_5_a1/
LA  - ru
ID  - IVM_2000_5_a1
ER  -