TY - JOUR AU - Islam, Muhammad N. TI - Three Fixed Point Theorems: Periodic Solutions of a Volterra Type Integral Equation with Infinite Heredity JO - Canadian mathematical bulletin PY - 2013 SP - 80 EP - 91 VL - 56 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-123-5/ DO - 10.4153/CMB-2011-123-5 ID - 10_4153_CMB_2011_123_5 ER -