TY - JOUR AU - Manabu Sakai AU - Riaz A. Usmani TI - A Class of Simple Exponential B-Splines and Their Application to Numerical Solution to Singular Perturbation Problems. JO - Numerische Mathematik PY - 1987 SP - 493 EP - 500 VL - 55 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1987__55_4_133367/ ID - NUMA_1987__55_4_133367 ER -