TY - JOUR AU - Bertil Gustafsson TI - A Numerical Method for Solving Singular Boundary Value Problems. JO - Numerische Mathematik PY - 1973 SP - 328 EP - 344 VL - 21 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1973__21_132239/ ID - NUMA_1973__21_132239 ER -