1. Nevanlinna’s Theory of Value Distribution;Cherry,2001
2. Meromorphic Functions;Hayman,1964
3. Nevanlinna Theory and Complex Differential Equations;Laine,1993
4. New Researches on Distribution Theory;Yang,1982
5. Zur theorie der gewöhnlichen differentialgleichungen im komplexen;Gackstatter;Ann. Polon. Math.,1980