%0 Journal Article %A Duda, J. %T A Lyapunov functional for a system with a time-varying delay %J International Journal of Applied Mathematics and Computer Science %D 2012 %P 327-337 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJAMCS_2012_22_2_a6/ %G en %F IJAMCS_2012_22_2_a6