@article{RM_1962_17_2_a0,
     author = {M. M. Vainberg and V. A. Trenogin},
     title = {The methods of {Lyapunov} and {Schmidt} in the theory of non-linear equations and their further development},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1--60},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1962},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1962_17_2_a0/}
}