%0 Journal Article %A Kopeček, Oldřich %T Homomorphisms of partial unary algebras %J Czechoslovak Mathematical Journal %D 1976 %P 108-127 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101378/ %R 10.21136/CMJ.1976.101378 %G en %F 10_21136_CMJ_1976_101378