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@article{ND_2013_9_4_a11, author = {A. P. Ivanov}, title = {Comments on the {H.~Beghin} papers}, journal = {Russian journal of nonlinear dynamics}, pages = {765--766}, publisher = {mathdoc}, volume = {9}, number = {4}, year = {2013}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ND_2013_9_4_a11/} }
A. P. Ivanov. Comments on the H.~Beghin papers. Russian journal of nonlinear dynamics, Tome 9 (2013) no. 4, pp. 765-766. http://geodesic.mathdoc.fr/item/ND_2013_9_4_a11/