%0 Journal Article %A Lukšan, Ladislav %T Quasi-Newton methods without projections for unconstrained minimization %J Kybernetika %D 1982 %P 290-306 %V 18 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1982__18_4_a4/ %G en %F KYB_1982__18_4_a4