TY  - JOUR
AU  - L. Z. Fishman
TI  - The creation of a~periodic solution in systems of differential equations with lag
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1976
SP  - 96
EP  - 107
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1976_12_a10/
LA  - ru
ID  - IVM_1976_12_a10
ER  -