@article{GDZPPN00233545X,
title = {The hypercomplex quotient and the quaternionic quotient.},
journal = {Mathematische Annalen},
volume = {291},
year = {1991},
pages = {323-340},
zbl = {0723.53043},
url = {http://dml.mathdoc.fr/item/GDZPPN00233545X}
}
Joyce, Dominic. The hypercomplex quotient and the quaternionic quotient.. Mathematische Annalen, Tome 291 (1991) pp. 323-340. http://gdmltest.u-ga.fr/item/GDZPPN00233545X/