TY - JOUR AU - Muldowney, J. S. AU - Willett, D. TI - An Intermediate Value Property for Operators with Applications to Integral and Differential Equations JO - Canadian journal of mathematics PY - 1974 SP - 27 EP - 41 VL - 26 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-004-7/ DO - 10.4153/CJM-1974-004-7 ID - 10_4153_CJM_1974_004_7 ER -