@article{GDZPPN001180223,
title = {The Approximation of Generalized Turning Points by Projection Methods with Superconvergence to the Critical Parameter.},
journal = {Numerische Mathematik},
volume = {50},
year = {1986},
pages = {591-606},
zbl = {0596.65040},
url = {http://dml.mathdoc.fr/item/GDZPPN001180223}
}
Reddien, G.W.; Greiwank, A. The Approximation of Generalized Turning Points by Projection Methods with Superconvergence to the Critical Parameter.. Numerische Mathematik, Tome 50 (1986) pp. 591-606. http://gdmltest.u-ga.fr/item/GDZPPN001180223/