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@article{IVM_1963_3_a11, author = {V. V. Leonov}, title = {Singular points of solutions of non-linear differential equations}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {85--87}, publisher = {mathdoc}, number = {3}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1963_3_a11/} }
V. V. Leonov. Singular points of solutions of non-linear differential equations. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1963), pp. 85-87. http://geodesic.mathdoc.fr/item/IVM_1963_3_a11/