TY - JOUR AU - P.G. CIARLET AU - R.S. VARGA AU - F. NATTERER TI - Numerical Methods of High-Order Accuracy for Singular Nonlinear Boundary Value Problems. JO - Numerische Mathematik PY - 1970 SP - 87 EP - 99 VL - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1970__15_131976/ ID - NUMA_1970__15_131976 ER -