%0 Journal Article %A Pfeifle, Julian %A Ziegler, Günter M. %T On the monotone upper bound problem. %J Experimental mathematics %D 2004 %P 1-11 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/EXMA_2004__13_1_51521/ %G en %F EXMA_2004__13_1_51521