@article{GDZPPN001166689,
title = {Convergence of the Conjugate Gradient Method with Computationally Convenient Modifications.},
journal = {Numerische Mathematik},
volume = {10},
year = {1967},
pages = {125-131},
zbl = {0178.18302},
url = {http://dml.mathdoc.fr/item/GDZPPN001166689}
}
DANIEL, J.W. Convergence of the Conjugate Gradient Method with Computationally Convenient Modifications.. Numerische Mathematik, Tome 10 (1967) pp. 125-131. http://gdmltest.u-ga.fr/item/GDZPPN001166689/