%0 Journal Article %A Nadzieja, Tadek %T Construction of a smooth Lyapunov function for an asymptotically stable set %J Czechoslovak Mathematical Journal %D 1990 %P 195-199 %V 40 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102373/ %R 10.21136/CMJ.1990.102373 %G en %F 10_21136_CMJ_1990_102373