TY - JOUR AU - Z. B. Seidov TI - A certain initial problem for differential equations with retarded argument JO - Differencialʹnye uravneniâ PY - 1971 SP - 1534 EP - 1537 VL - 7 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1971_7_8_a22/ LA - ru ID - DE_1971_7_8_a22 ER -