TY - JOUR AU - L. È. Èl'sgol'ts TI - Boundary value problems for ordinary differential equations with deviating arguments JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1960 VL - 15 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1960_15_5_a17/ LA - ru ID - RM_1960_15_5_a17 ER -