TY - JOUR AU - James Schmerl TI - On $ℵ_0$-categoricity and the theory of trees JO - Fundamenta Mathematicae PY - 1977 SP - 121 EP - 128 VL - 94 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-94-2-121-128/ DO - 10.4064/fm-94-2-121-128 LA - en ID - 10_4064_fm_94_2_121_128 ER -