TY  - JOUR
AU  - A. M. Popov
TI  - Estimates of solutions of some systems of differential equations with large retardation
JO  - Matematičeskie zametki
PY  - 1969
SP  - 483
EP  - 488
VL  - 6
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1969_6_4_a13/
LA  - ru
ID  - MZM_1969_6_4_a13
ER  -