TY - JOUR AU - G.W. Reddien AU - A. Greiwank TI - The Approximation of Generalized Turning Points by Projection Methods with Superconvergence to the Critical Parameter. JO - Numerische Mathematik PY - 1986 SP - 591 EP - 606 VL - 48 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1986__48_133088/ ID - NUMA_1986__48_133088 ER -