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@article{DAN_1991_317_2_a14, author = {G. V. Sandrakov}, title = {On a problem of {H.} {Poincar\'e}}, journal = {Doklady Akademii Nauk}, pages = {316--319}, publisher = {mathdoc}, volume = {317}, number = {2}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_317_2_a14/} }
G. V. Sandrakov. On a problem of H. Poincar\'e. Doklady Akademii Nauk, Tome 317 (1991) no. 2, pp. 316-319. http://geodesic.mathdoc.fr/item/DAN_1991_317_2_a14/