@article{1029001063, author = {Douglass, Steven A.}, title = {Summing sequences for amenable semigroups.}, journal = {Michigan Math. J.}, volume = {20}, number = {1}, year = {1973}, pages = { 169-179}, language = {en}, url = {http://dml.mathdoc.fr/item/1029001063} }
Douglass, Steven A. Summing sequences for amenable semigroups.. Michigan Math. J., Tome 20 (1973) no. 1, pp. 169-179. http://gdmltest.u-ga.fr/item/1029001063/