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@article{MZ_1932__34_168311, author = {J. C., Burkill}, title = {The {Approximately} {Continuous} {Perron} {Integral}}, journal = {Mathematische Zeitschrift}, pages = {270--278}, publisher = {mathdoc}, volume = {34}, year = {1932}, zbl = {0002.38604}, url = {http://geodesic.mathdoc.fr/item/MZ_1932__34_168311/} }
J. C., Burkill. The Approximately Continuous Perron Integral. Mathematische Zeitschrift, Tome 34 (1932), pp. 270-278. http://geodesic.mathdoc.fr/item/MZ_1932__34_168311/