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@article{MAN_1991__290_4_164821, author = {Dominic Joyce}, title = {The hypercomplex quotient and the quaternionic quotient.}, journal = {Mathematische Annalen}, pages = {323--340}, publisher = {mathdoc}, volume = {290}, number = {4}, year = {1991}, zbl = {0723.53043}, url = {http://geodesic.mathdoc.fr/item/MAN_1991__290_4_164821/} }
Dominic Joyce. The hypercomplex quotient and the quaternionic quotient.. Mathematische Annalen, Tome 290 (1991) no. 4, pp. 323-340. http://geodesic.mathdoc.fr/item/MAN_1991__290_4_164821/