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@article{IVM_1988_11_a11, author = {Yu. I. Gil'derman and E. M. Sorokina}, title = {A first-order piecewise-affine differential equation}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {64--65}, publisher = {mathdoc}, number = {11}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1988_11_a11/} }
Yu. I. Gil'derman; E. M. Sorokina. A first-order piecewise-affine differential equation. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1988), pp. 64-65. http://geodesic.mathdoc.fr/item/IVM_1988_11_a11/