%0 Journal Article %A Kopeček, Oldřich %T Representation of ordered classes by classes of connected unary algebras %J Archivum mathematicum %D 1978 %P 201-205 %V 14 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1978__14_4_a4/ %G en %F ARM_1978__14_4_a4