@inproceedings{fabrizio2009singularities,
title={Singularities of functions of one and several bicomplex variables},
author={Fabrizio Colombo, Irene Sabadini, Daniele C. Struppa, Adrian Vajiac, and Mihaela B. Vajiac},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203630322928002},
booktitle={Arkiv for Matematik},
volume={49},
number={2},
pages={277-294},
year={2009},
}
Fabrizio Colombo, Irene Sabadini, Daniele C. Struppa, Adrian Vajiac, and Mihaela B. Vajiac. Singularities of functions of one and several bicomplex variables. 2009. Vol. 49. In Arkiv for Matematik. pp.277-294. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203630322928002.