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@article{PORMA_1972__31_2_115166, author = {Costley, Charles G.}, title = {On sequence of additive set functions}, journal = {Portugaliae mathematica}, pages = {97--104}, publisher = {mathdoc}, volume = {31}, number = {2}, year = {1972}, mrnumber = {0304599}, zbl = {0239.28007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1972__31_2_115166/} }
Costley, Charles G. On sequence of additive set functions. Portugaliae mathematica, Tome 31 (1972) no. 2, pp. 97-104. http://geodesic.mathdoc.fr/item/PORMA_1972__31_2_115166/