%0 Journal Article %A Stefan M. Stefanov %T On the Implementation of Stochastic Quasigradient Methods to some Facility Location Problems %J Yugoslav journal of operations research %D 2000 %P 235 %V 10 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2000_10_2_a4/ %G en %F YJOR_2000_10_2_a4