TY - JOUR AU - Kopeček, Oldřich TI - Homomorphisms of partial unary algebras JO - Czechoslovak Mathematical Journal PY - 1976 SP - 108 EP - 127 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101378/ DO - 10.21136/CMJ.1976.101378 LA - en ID - 10_21136_CMJ_1976_101378 ER -