TY  - JOUR
AU  - V. A. Yakubovich
TI  - A theorem on the stability of a linear hamiltonian system with periodic coefficients
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1972
SP  - 220
EP  - 234
VL  - 27
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1972_27_a14/
LA  - ru
ID  - ZNSL_1972_27_a14
ER  -