%0 Journal Article %A Olivera Jovanović %A Dimitar Jurukovski %T Gradient Method as a Tool for Mathematical Modeling in Earthquake Engineering %J Yugoslav journal of operations research %D 1997 %P 293 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_1997_7_2_a9/ %G en %F YJOR_1997_7_2_a9