@article{1183499605, author = {Frink, A. H.}, title = {Distance functions and the metrization problem}, journal = {Bull. Amer. Math. Soc.}, volume = {43}, number = {12}, year = {1937}, pages = { 133-142}, language = {en}, url = {http://dml.mathdoc.fr/item/1183499605} }
Frink, A. H. Distance functions and the metrization problem. Bull. Amer. Math. Soc., Tome 43 (1937) no. 12, pp. 133-142. http://gdmltest.u-ga.fr/item/1183499605/