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@article{DAN_1987_293_6_a9, author = {V. S. Levchenkov}, title = {Algebraic representation of group choice}, journal = {Doklady Akademii Nauk}, pages = {1324--1329}, publisher = {mathdoc}, volume = {293}, number = {6}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_6_a9/} }
V. S. Levchenkov. Algebraic representation of group choice. Doklady Akademii Nauk, Tome 293 (1987) no. 6, pp. 1324-1329. http://geodesic.mathdoc.fr/item/DAN_1987_293_6_a9/