%0 Journal Article %A Bartoszewicz, A. %A Nowacka, A. %T Reaching phase elimination in variable structure control of the third order system with state constraints %J Kybernetika %D 2006 %P 111-126 %V 42 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2006__42_1_a5/ %G en %F KYB_2006__42_1_a5