On the existence of T -direction and Nevanlinna direction of K -quasi-meromorphic mappings dealing with multiple values. Xu, Hongyan, Zhan, Tang-Sen (2010) Bulletin of the Malaysian Mathematical Sciences Society. Second Series
On the Nevanlinna direction of quasi-meromorphic mapping dealing with multiple values. Xu, Hong Yan, Fang, Cheng Hong (2009) Applied Mathematics E-Notes [electronic only]