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/