%0 Journal Article %A Ježek, J. %T Constructions over tournaments %J Czechoslovak Mathematical Journal %D 2003 %P 413-428 %V 53 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2003__53_2_a15/ %G en %F CMJ_2003__53_2_a15