@article{1301586304,
author = {Vlacci, Fabio},
title = {The argument principle for quaternionic slice regular functions},
journal = {Michigan Math. J.},
volume = {60},
number = {1},
year = {2011},
pages = { 67-77},
language = {en},
url = {http://dml.mathdoc.fr/item/1301586304}
}
Vlacci, Fabio. The argument principle for quaternionic slice regular functions. Michigan Math. J., Tome 60 (2011) no. 1, pp. 67-77. http://gdmltest.u-ga.fr/item/1301586304/