@article{1178245479,
author = {Ellis, David},
title = {Notes on abstract distance geometry, I. The algebraic description of ground spaces},
journal = {Tohoku Math. J. (2)},
volume = {3},
number = {3},
year = {1951},
pages = { 270-272},
language = {en},
url = {http://dml.mathdoc.fr/item/1178245479}
}
Ellis, David. Notes on abstract distance geometry, I. The algebraic description of ground spaces. Tohoku Math. J. (2), Tome 3 (1951) no. 3, pp. 270-272. http://gdmltest.u-ga.fr/item/1178245479/