@article{1183513905,
author = {Ellis, David},
title = {Superposability properties of naturally metrized groups},
journal = {Bull. Amer. Math. Soc.},
volume = {55},
number = {12},
year = {1949},
pages = { 639-640},
language = {en},
url = {http://dml.mathdoc.fr/item/1183513905}
}
Ellis, David. Superposability properties of naturally metrized groups. Bull. Amer. Math. Soc., Tome 55 (1949) no. 12, pp. 639-640. http://gdmltest.u-ga.fr/item/1183513905/