TY  - JOUR
AU  - E. N. Rozenvasser
TI  - A method for investigating the stability of a system of linear differential equations with periodic coefficients
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 783
EP  - 786
VL  - 176
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_176_4_a11/
LA  - ru
ID  - DAN_1967_176_4_a11
ER  -