@article{GDZPPN001183583, title = {Optimality Relationships for p-Cyclic SOR.}, journal = {Numerische Mathematik}, volume = {56}, year = {1989}, pages = {635-644}, zbl = {0687.65034}, url = {http://dml.mathdoc.fr/item/GDZPPN001183583} }
Hadjidimos, A.; Pierce, D.J.; ... Optimality Relationships for p-Cyclic SOR.. Numerische Mathematik, Tome 56 (1989) pp. 635-644. http://gdmltest.u-ga.fr/item/GDZPPN001183583/