%0 Journal Article %A T. Donchev %A R. Ivanov %T Lower semicontinuous differential inclusions with state constrains %J Novi Sad Journal of Mathematics %D 2001 %P 35-44 %V 31 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_2001_31_2a_4/ %F NSJOM_2001_31_2a_4