%0 Journal Article %A Todorcevic, Stevo %T Basis problems in combinatorial set theory %J Documenta mathematica %D 1998 %P 43-52 %V ICM Berlin 1998, Vol. II %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_1998__S8__a78/ %G en %F DOCMA_1998__S8__a78