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@article{DE_1991_27_8_a1, author = {A. N. Belyaeva and I. G. Egorov}, title = {On the {A{\v\i}zerman} problem for a second-order system}, journal = {Differencialʹnye uravneni\^a}, pages = {1297--1303}, publisher = {mathdoc}, volume = {27}, number = {8}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1991_27_8_a1/} }
A. N. Belyaeva; I. G. Egorov. On the A{\v\i}zerman problem for a second-order system. Differencialʹnye uravneniâ, Tome 27 (1991) no. 8, pp. 1297-1303. http://geodesic.mathdoc.fr/item/DE_1991_27_8_a1/