TY - JOUR AU - T. von Petersdorff AU - E.P. Stephan TI - On the Convergence of Multi-Grid Methods for a Hypersingular Integral Equation of the First Kind. JO - Numerische Mathematik PY - 1990 SP - 379 EP - 392 VL - 57 IS - 6-7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1990__57_6-7_133455/ ID - NUMA_1990__57_6-7_133455 ER -