%0 Journal Article %A Jakubíková-Studenovská, Danica %T On congruence lattices of finite partial unary algebras %J Commentationes Mathematicae Universitatis Carolinae %D 1981 %P 357-364 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1981__22_2_a13/ %G en %F CMUC_1981__22_2_a13