%0 Journal Article %A James Schmerl %T On $ℵ_0$-categoricity and the theory of trees %J Fundamenta Mathematicae %D 1977 %P 121-128 %V 94 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-94-2-121-128/ %R 10.4064/fm-94-2-121-128 %G en %F 10_4064_fm_94_2_121_128