TY - JOUR AU - L.R. Abrahamsson AU - H.B. Keller AU - H.O. Kreiss TI - Difference Approximations for Singular Perturbations of Systems of Ordinary Differential Equations. JO - Numerische Mathematik PY - 1974 SP - 367 EP - 392 VL - 22 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1974__22_132278/ ID - NUMA_1974__22_132278 ER -