%0 Journal Article %A Halušková, Emília %T Two element direct limit classes of monounary algebras %J Mathematica slovaca %D 2002 %P 177-194 %V 52 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_2002__52_2_a4/ %G en %F MASLO_2002__52_2_a4