%0 Journal Article %A Bertil Gustafsson %T A Numerical Method for Solving Singular Boundary Value Problems. %J Numerische Mathematik %D 1973 %P 328-344 %V 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1973__21_132239/ %F NUMA_1973__21_132239