@article{02171801, title = {Unit-circle-preserving mappings.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2004}, year = {2004}, pages = {3577-3586}, doi = {10.1155/S0161171204404098}, zbl = {1072.51018}, language = {en}, url = {http://dml.mathdoc.fr/item/02171801} }
Jung, Soon-Mo; Kim, Byungbae. Unit-circle-preserving mappings.. International Journal of Mathematics and Mathematical Sciences, Tome 2004 (2004) pp. 3577-3586. doi : 10.1155/S0161171204404098. http://gdmltest.u-ga.fr/item/02171801/