TY - JOUR AU - E. A. Volkov TI - Effective error estimates for difference solutions of boundary value problems in ordinary differential equations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1971 SP - 141 EP - 151 VL - 112 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1971_112_a9/ LA - ru ID - TM_1971_112_a9 ER -