%0 Journal Article %A Nenad Mladenović %A Jovan Petrić %T Some Properties of Transportation Manifold %J Yugoslav journal of operations research %D 1991 %P 65 %V 1 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_1991_1_1_a5/ %G en %F YJOR_1991_1_1_a5