%0 Journal Article %A Kipiani, Archil %T One abstract characterization of intervals of cardinal numbers %J Acta Universitatis Lodziensis. Folia Mathematica %D 1997 %V 09 %I mathdoc %U http://geodesic.mathdoc.fr/item/AULFM_1997_09_a4/ %G en %F AULFM_1997_09_a4