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@article{MT_2006_9_1_a7, author = {M. A. Cheshkova}, title = {Congruences of {Hypersheres}}, journal = {Matemati\v{c}eskie trudy}, pages = {169--175}, publisher = {mathdoc}, volume = {9}, number = {1}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MT_2006_9_1_a7/} }
M. A. Cheshkova. Congruences of Hypersheres. Matematičeskie trudy, Tome 9 (2006) no. 1, pp. 169-175. http://geodesic.mathdoc.fr/item/MT_2006_9_1_a7/