@article{1183494667, author = {Zippin, Leo}, title = {On a problem of N. Aronszajn and an axiom of R. L. Moore}, journal = {Bull. Amer. Math. Soc.}, volume = {37}, number = {12}, year = {1931}, pages = { 276-280}, language = {en}, url = {http://dml.mathdoc.fr/item/1183494667} }
Zippin, Leo. On a problem of N. Aronszajn and an axiom of R. L. Moore. Bull. Amer. Math. Soc., Tome 37 (1931) no. 12, pp. 276-280. http://gdmltest.u-ga.fr/item/1183494667/