A sufficient univalence condition for meromorphic functions is given
@article{bwmeta1.element.bwnjournal-article-apmv56z1p63bwm, author = {J. Miazga and A. Weso\l owski}, title = {A univalence criterion for meromorphic functions}, journal = {Annales Polonici Mathematici}, volume = {55}, year = {1991}, pages = {63-66}, zbl = {0744.30006}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-apmv56z1p63bwm} }
J. Miazga; A. Wesołowski. A univalence criterion for meromorphic functions. Annales Polonici Mathematici, Tome 55 (1991) pp. 63-66. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-apmv56z1p63bwm/
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