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@article{ARM_1969__5_2_a1, author = {Chrastina, Jan}, title = {A note on the criteria of uniqueness of the solution of equation $y'=f(x,y)$}, journal = {Archivum mathematicum}, pages = {75--77}, publisher = {mathdoc}, volume = {05}, number = {2}, year = {1969}, mrnumber = {0301267}, zbl = {0241.34002}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1969__5_2_a1/} }
Chrastina, Jan. A note on the criteria of uniqueness of the solution of equation $y'=f(x,y)$. Archivum mathematicum, Tome 05 (1969) no. 2, pp. 75-77. http://geodesic.mathdoc.fr/item/ARM_1969__5_2_a1/