TY - JOUR AU - Neculai Andrei TI - Open Problems in Nonlinear Conjugate Gradient Algorithms for Unconstrained Optimization JO - Bulletin of the Malaysian Mathematical Society PY - 2011 VL - 34 IS - 2 UR - http://geodesic.mathdoc.fr/item/BMMS_2011_34_2_a10/ ID - BMMS_2011_34_2_a10 ER -