%0 Journal Article %A Bernd Wegner %A Panayiotis Vlamos %T Large Intrastructure in Mathematics Enhanced Services %J Ευκλείδης Γ %D 2001 %P 100-106 %V 55 %I mathdoc %U http://geodesic.mathdoc.fr/item/EUG_2001__55_a16/ %G gr %F EUG_2001__55_a16