TY - JOUR AU - Zischka, K. A. TI - On Approximations to Solutions of Nonlinear Integral Equations of the Urysohn Type JO - Canadian mathematical bulletin PY - 1973 SP - 137 EP - 141 VL - 16 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-026-4/ DO - 10.4153/CMB-1973-026-4 ID - 10_4153_CMB_1973_026_4 ER -