We prove a normality criterion for a family of meromorphic functions having multiple zeros which involves sharing of a non-zero value by the product of functions and their linear differential polynomials.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-ap110-3-5,
author = {Shanpeng Zeng and Indrajit Lahiri},
title = {A normality criterion for meromorphic functions having multiple zeros},
journal = {Annales Polonici Mathematici},
volume = {111},
year = {2014},
pages = {283-294},
zbl = {1307.30073},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap110-3-5}
}
Shanpeng Zeng; Indrajit Lahiri. A normality criterion for meromorphic functions having multiple zeros. Annales Polonici Mathematici, Tome 111 (2014) pp. 283-294. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap110-3-5/