Meromorphic Functions with Small Ramification Alexandre Eremenko Indiana University Mathematics Journal 1993 text pdf 10.1512/iumj.1993.42.42055 10.1512/iumj.1993.42.42055 en Indiana Univ. Math. J. 42 (1993) 1193 - 1218 state-of-the-art mathematics http://iumj.org/access/