%0 Journal Article %A Neculai Andrei %T Open Problems in Nonlinear Conjugate Gradient Algorithms for Unconstrained Optimization %J Bulletin of the Malaysian Mathematical Society %D 2011 %V 34 %N 2 %U http://geodesic.mathdoc.fr/item/BMMS_2011_34_2_a10/ %F BMMS_2011_34_2_a10