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@article{DE_2000_36_1_a15, author = {I. N. Sergeev}, title = {An upper estimate for the minimal exponent of a three-dimensional system}, journal = {Differencialʹnye uravneni\^a}, pages = {114--123}, publisher = {mathdoc}, volume = {36}, number = {1}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2000_36_1_a15/} }
I. N. Sergeev. An upper estimate for the minimal exponent of a three-dimensional system. Differencialʹnye uravneniâ, Tome 36 (2000) no. 1, pp. 114-123. http://geodesic.mathdoc.fr/item/DE_2000_36_1_a15/