TY  - JOUR
AU  - Yu. I. Kovach
AU  - L. I. Savchenko
TI  - The estimation of the solution of certain nonlinear integro-differential and operator equations with lag
JO  - Differencialʹnye uravneniâ
PY  - 1970
SP  - 1496
EP  - 1505
VL  - 6
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1970_6_8_a18/
LA  - ru
ID  - DE_1970_6_8_a18
ER  -