@article{10_4064_fm_94_2_121_128,
     author = {James Schmerl},
     title = {On $\ensuremath{\aleph}_0$-categoricity and the theory of trees},
     journal = {Fundamenta Mathematicae},
     pages = {121--128},
     publisher = {mathdoc},
     volume = {94},
     number = {2},
     year = {1977},
     doi = {10.4064/fm-94-2-121-128},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-94-2-121-128/}
}