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@article{PIM_1979_N_S_25_39_a24, author = {Bogdan Rzepecki}, title = {On {Some} {Classes} {Of} {Differential} {Equations}}, journal = {Publications de l'Institut Math\'ematique}, pages = {157 }, publisher = {mathdoc}, volume = {_N_S_25}, number = {39}, year = {1979}, url = {http://geodesic.mathdoc.fr/item/PIM_1979_N_S_25_39_a24/} }
Bogdan Rzepecki. On Some Classes Of Differential Equations. Publications de l'Institut Mathématique, _N_S_25 (1979) no. 39, p. 157 . http://geodesic.mathdoc.fr/item/PIM_1979_N_S_25_39_a24/