TY  - JOUR
AU  - V. R. Nosov
TI  - The existence of periodic solutions in linear systems of general form with a distributed deviation of the argument
JO  - Differencialʹnye uravneniâ
PY  - 1971
SP  - 2168
EP  - 2175
VL  - 7
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1971_7_12_a5/
LA  - ru
ID  - DE_1971_7_12_a5
ER  -