%0 Journal Article %A Klazar, Martin %T A general upper bound in extremal theory of sequences %J Commentationes Mathematicae Universitatis Carolinae %D 1992 %P 737-746 %V 33 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1992__33_4_a19/ %G en %F CMUC_1992__33_4_a19