@article{GDZPPN001180207, title = {The Rate of Convergence of Conjugate Gradients.}, journal = {Numerische Mathematik}, volume = {50}, year = {1986}, pages = {543-560}, zbl = {0596.65015}, url = {http://dml.mathdoc.fr/item/GDZPPN001180207} }
Sluis, A. van der; Vorst, H.A. van der. The Rate of Convergence of Conjugate Gradients.. Numerische Mathematik, Tome 50 (1986) pp. 543-560. http://gdmltest.u-ga.fr/item/GDZPPN001180207/