TY  - JOUR
AU  - G. L. Gasilov
TI  - The characteristic equation of a~system of linear differential equations with periodic coefficients and lags
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1972
SP  - 60
EP  - 66
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1972_4_a6/
LA  - ru
ID  - IVM_1972_4_a6
ER  -