%0 Journal Article %A Jakubíková-Studenovská, Danica %T On congruence relations of monounary algebras. I %J Czechoslovak Mathematical Journal %D 1982 %P 437-459 %V 32 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1982.101820/ %R 10.21136/CMJ.1982.101820 %G en %F 10_21136_CMJ_1982_101820