%0 Journal Article %A O. Axelsson %T A Generalized Conjugate Gradient, Least Square Method. %J Numerische Mathematik %D 1987 %P 209-228 %V 51 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1987__51_133192/ %F NUMA_1987__51_133192