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@article{MZ_1967__98_170736, author = {G.M. Petersen}, title = {Topology of {Summability} {Sets.}}, journal = {Mathematische Zeitschrift}, pages = {93--103}, publisher = {mathdoc}, volume = {98}, year = {1967}, zbl = {0152.25102}, url = {http://geodesic.mathdoc.fr/item/MZ_1967__98_170736/} }
G.M. Petersen. Topology of Summability Sets.. Mathematische Zeitschrift, Tome 98 (1967), pp. 93-103. http://geodesic.mathdoc.fr/item/MZ_1967__98_170736/