%0 Journal Article %A Julka Knežević-Miljanović %A Ljubica Lalović %A Dragomir Lalović %T Application of differential equations %J Kragujevac Journal of Mathematics %D 2007 %P 343 %V 30 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2007_30_a25/ %G en %F KJM_2007_30_a25