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@article{DE_1975_11_2_a1, author = {L. A. Bieza}, title = {A criterion for a certain multidimensional discrimination problem}, journal = {Differencialʹnye uravneni\^a}, pages = {222--226}, publisher = {mathdoc}, volume = {11}, number = {2}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1975_11_2_a1/} }
L. A. Bieza. A criterion for a certain multidimensional discrimination problem. Differencialʹnye uravneniâ, Tome 11 (1975) no. 2, pp. 222-226. http://geodesic.mathdoc.fr/item/DE_1975_11_2_a1/