TY - JOUR AU - Fumio Maitani AU - Hisashi Ishida TI - Meromorphic functions of bounded valence on an open Riemann surface JO - Annales Fennici Mathematici PY - 1991 SP - 125 EP - 130 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1991.1617/ DO - 10.5186/aasfm.1991.1617 LA - en ID - AFM_1991_16_1_a7 ER -