TY - JOUR AU - Su Gao TI - A dichotomy theorem for mono-unary algebras JO - Fundamenta Mathematicae PY - 2000 SP - 25 EP - 37 VL - 163 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-163-1-25-37/ DO - 10.4064/fm-163-1-25-37 LA - en ID - 10_4064_fm_163_1_25_37 ER -