%0 Journal Article %A Koc, Martin %T On relations among metric derived numbers %J Acta Universitatis Carolinae. Mathematica et Physica %D 2009 %P 39-47 %V 50 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUCMP_2009__50_2_a4/ %G en %F AUCMP_2009__50_2_a4