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@article{DAN_1985_280_2_a10, author = {V. V. Filippov}, title = {An axiomatic theory of spaces of solutions of ordinary}, journal = {Doklady Akademii Nauk}, pages = {304--308}, publisher = {mathdoc}, volume = {280}, number = {2}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1985_280_2_a10/} }
V. V. Filippov. An axiomatic theory of spaces of solutions of ordinary. Doklady Akademii Nauk, Tome 280 (1985) no. 2, pp. 304-308. http://geodesic.mathdoc.fr/item/DAN_1985_280_2_a10/