@article{1077475197, author = {Blumenthal, Leonard M.}, title = {Metric methods in linear inequalities}, journal = {Duke Math. J.}, volume = {15}, number = {1}, year = {1948}, pages = { 955-966}, language = {en}, url = {http://dml.mathdoc.fr/item/1077475197} }
Blumenthal, Leonard M. Metric methods in linear inequalities. Duke Math. J., Tome 15 (1948) no. 1, pp. 955-966. http://gdmltest.u-ga.fr/item/1077475197/