We deal with the uniqueness of analytic functions in the unit disc sharing four distinct values and obtain two theorems improving a previous result given by Mao and Liu (2009).
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-ap103-3-4,
author = {Hong-Yan Xu and Ting-Bin Cao},
title = {Analytic functions in the unit disc sharing values in a sector},
journal = {Annales Polonici Mathematici},
volume = {105},
year = {2012},
pages = {263-275},
zbl = {1276.30047},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap103-3-4}
}
Hong-Yan Xu; Ting-Bin Cao. Analytic functions in the unit disc sharing values in a sector. Annales Polonici Mathematici, Tome 105 (2012) pp. 263-275. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap103-3-4/