%0 Journal Article %A A.S.L. Shieh %T On the Convergence of the Conjugate Gradient Method for Singular Capacitance Matrix Equations from the Neumann Problem of the Poisson Equation. %J Numerische Mathematik %D 1977 %P 307-328 %V 29 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1977__29_132523/ %F NUMA_1977__29_132523