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@article{DAN_1973_213_4_a2, author = {Yu. N. Bibikov}, title = {A sharpening of a theorem of {Moser}}, journal = {Doklady Akademii Nauk}, pages = {766--769}, publisher = {mathdoc}, volume = {213}, number = {4}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1973_213_4_a2/} }
Yu. N. Bibikov. A sharpening of a theorem of Moser. Doklady Akademii Nauk, Tome 213 (1973) no. 4, pp. 766-769. http://geodesic.mathdoc.fr/item/DAN_1973_213_4_a2/