%0 Journal Article %A Aleksandar Zečević %T A contribution to methods of Exterior Penalty Functions for Nonlinear Programming %J Yugoslav journal of operations research %D 1995 %P 55 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_1995_5_1_a5/ %G en %F YJOR_1995_5_1_a5