@article{1077379123, author = {Sigmon, Kermit}, title = {Cancellative medial means are arithmetic}, journal = {Duke Math. J.}, volume = {37}, number = {1}, year = {1970}, pages = { 439-445}, language = {en}, url = {http://dml.mathdoc.fr/item/1077379123} }
Sigmon, Kermit. Cancellative medial means are arithmetic. Duke Math. J., Tome 37 (1970) no. 1, pp. 439-445. http://gdmltest.u-ga.fr/item/1077379123/