TY - JOUR AU - G.R. Richter TI - Superconvergence of Piecewise Polynomial Galer kin Approximations for Fredholm Integral Equations of the Second Kind. JO - Numerische Mathematik PY - 1978 SP - 63 EP - 70 VL - 31 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1978__31_132567/ ID - NUMA_1978__31_132567 ER -