TY - JOUR AU - M. M. Vainberg AU - V. A. Trenogin TI - The methods of Lyapunov and Schmidt in the theory of non-linear equations and their further development JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1962 SP - 1 EP - 60 VL - 17 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1962_17_2_a0/ LA - en ID - RM_1962_17_2_a0 ER -