@article{PPN517516713_0002+dmdlog30,
title = {A Case of Non-Euclidian Geometry.},
journal = {Bulletin of the New York Mathematical Society},
volume = {2},
year = {1893},
pages = {158-161},
zbl = {25.0866.03},
url = {http://dml.mathdoc.fr/item/PPN517516713_0002+dmdlog30}
}
Johnson, W. Woolsey. A Case of Non-Euclidian Geometry.. Bulletin of the New York Mathematical Society, Tome 2 (1893) pp. 158-161. http://gdmltest.u-ga.fr/item/PPN517516713_0002+dmdlog30/