TY - JOUR AU - G. M. Zhdanov TI - On the approximate solution of a~system of differential equations of first order with retarded argument JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1961 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1961_16_1_a8/ LA - ru ID - RM_1961_16_1_a8 ER -