@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/