%0 Journal Article %A Lukšan, Ladislav %T Computational experience with improved conjugate gradient methods for unconstrained minimization %J Kybernetika %D 1992 %P 249-262 %V 28 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1992__28_4_a0/ %G en %F KYB_1992__28_4_a0