Jagjeet, Pawan Kumar, Renu Chugh,. “Composition Operator Preceeding By Differentiation From Weighted Bergman Nevanlinna Spaces To Zygmund Spaces”. Asian Journal of Current Engineering and Maths, vol. 3, no. 4, July 2014, pp. 42-47, doi:10.15520/ajcem.2014.vol3.iss4.2.pp42-47.