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@article{PORMA_1987__44_3_115588, author = {Maharam, Dorothy}, title = {From finite to countable additivity}, journal = {Portugaliae mathematica}, pages = {265--282}, publisher = {mathdoc}, volume = {44}, number = {3}, year = {1987}, mrnumber = {0911841}, zbl = {0636.28002}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1987__44_3_115588/} }
Maharam, Dorothy. From finite to countable additivity. Portugaliae mathematica, Tome 44 (1987) no. 3, pp. 265-282. http://geodesic.mathdoc.fr/item/PORMA_1987__44_3_115588/