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@article{IVM_1961_6_a5, author = {J. \v{S}. Kaplunovi\v{c}}, title = {Some properties of isoclines}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {43--50}, publisher = {mathdoc}, number = {6}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1961_6_a5/} }
J. Š. Kaplunovič. Some properties of isoclines. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1961), pp. 43-50. http://geodesic.mathdoc.fr/item/IVM_1961_6_a5/