@article{1178245266,
author = {Yamashita, Chitose},
title = {An elementary and purely synthetic proof for the double six theorem of Schl\"afli},
journal = {Tohoku Math. J. (2)},
volume = {6},
number = {2-3},
year = {1954},
pages = { 215-219},
language = {en},
url = {http://dml.mathdoc.fr/item/1178245266}
}
Yamashita, Chitose. An elementary and purely synthetic proof for the double six theorem of Schläfli. Tohoku Math. J. (2), Tome 6 (1954) no. 2-3, pp. 215-219. http://gdmltest.u-ga.fr/item/1178245266/