%0 Journal Article %A Jakubíková-Studenovská, Danica %T On weakly rigid monounary algebras %J Mathematica slovaca %D 1980 %P 197-206 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1980__30_2_a12/ %G en %F MASLO_1980__30_2_a12