@article{GDZPPN002331586, title = {Quaternionic Reduction and Quaternionic Orbifolds.}, journal = {Mathematische Annalen}, volume = {280}, year = {1988}, pages = {1-22}, zbl = {0628.53060}, url = {http://dml.mathdoc.fr/item/GDZPPN002331586} }
Galicki, K.; Lawson, H.B. Jr. Quaternionic Reduction and Quaternionic Orbifolds.. Mathematische Annalen, Tome 280 (1988) pp. 1-22. http://gdmltest.u-ga.fr/item/GDZPPN002331586/