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@article{DAN_1989_304_5_a5, author = {V. I. Zubov}, title = {Systems of differential equations with two singular points of}, journal = {Doklady Akademii Nauk}, pages = {1054--1055}, publisher = {mathdoc}, volume = {304}, number = {5}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_304_5_a5/} }
V. I. Zubov. Systems of differential equations with two singular points of. Doklady Akademii Nauk, Tome 304 (1989) no. 5, pp. 1054-1055. http://geodesic.mathdoc.fr/item/DAN_1989_304_5_a5/