@article{05134510, title = {Computing quaternionic roots by Newton's method.}, journal = {ETNA. Electronic Transactions on Numerical Analysis [electronic only]}, volume = {26}, year = {2007}, pages = {82-102}, zbl = {1160.65016}, language = {en}, url = {http://dml.mathdoc.fr/item/05134510} }
Janovská, Drahoslava; Opfer, Gerhard. Computing quaternionic roots by Newton's method.. ETNA. Electronic Transactions on Numerical Analysis [electronic only], Tome 26 (2007) pp. 82-102. http://gdmltest.u-ga.fr/item/05134510/