%0 Journal Article %A Mikulski, L. %T Control Structure in Optimization Problems of Bar Systems %J International Journal of Applied Mathematics and Computer Science %D 2004 %P 515-529 %V 14 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJAMCS_2004_14_4_a7/ %G en %F IJAMCS_2004_14_4_a7