TY - JOUR AU - M.N. Spijker TI - Contractivity in the Numerical Solution of Initial Value Problems. JO - Numerische Mathematik PY - 1983 SP - 271 EP - 290 VL - 42 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1983__42_132876/ ID - NUMA_1983__42_132876 ER -