TY - JOUR AU - E. A. Volkov TI - A bilateral difference method for nonlinear and spectral problems in ordinary differential equations JO - Doklady Akademii Nauk PY - 1972 SP - 1274 EP - 1276 VL - 205 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1972_205_6_a1/ LA - ru ID - DAN_1972_205_6_a1 ER -