TY - JOUR AU - Philip Olin TI - $ℵ_0$-categoricity of products of 1-unary algebras JO - Colloquium Mathematicum PY - 1975 SP - 25 EP - 31 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-33-1-25-31/ DO - 10.4064/cm-33-1-25-31 LA - en ID - 10_4064_cm_33_1_25_31 ER -