TY - JOUR AU - V. E. Mirakov TI - The majorant principle and the method of tangent parabolas for non-linear functional equations JO - Doklady Akademii Nauk PY - 1957 SP - 977 EP - 979 VL - 113 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_113_5_a7/ LA - ru ID - DAN_1957_113_5_a7 ER -