%0 Journal Article %A Novotný, Jiří %T Morphisms of a certain class of monounary algebras %J Mathematica slovaca %D 1988 %P 235-242 %V 38 %N 3 %U http://geodesic.mathdoc.fr/item/MASLO_1988_38_3_a5/ %G en %F MASLO_1988_38_3_a5