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@article{DAN_1987_297_1_a9, author = {K. V. Rudakov}, title = {Symmetric and functional constraints for classification}, journal = {Doklady Akademii Nauk}, pages = {43--46}, publisher = {mathdoc}, volume = {297}, number = {1}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_297_1_a9/} }
K. V. Rudakov. Symmetric and functional constraints for classification. Doklady Akademii Nauk, Tome 297 (1987) no. 1, pp. 43-46. http://geodesic.mathdoc.fr/item/DAN_1987_297_1_a9/