%0 Journal Article %A Lobry, Claude %A Sari, Tewfik %A Touhami, Sefiane %T On Tykhonov's theorem for convergence of solutions of slow and fast systems %J Electronic Journal of Differential Equations %D 1998 %V 1998 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_1998__1998__a16/ %G en %F EJDE_1998__1998__a16