%0 Journal Article %A Alan Feldstein %A Richard Goodman %T Numerical Solution of Ordinary and Retarded Differential Equations with Discontinuous Derivatives. %J Numerische Mathematik %D 1973 %P 1-13 %V 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1973__21_132207/ %F NUMA_1973__21_132207