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@article{MZ_1954__61_169449, author = {Jamil A. Siddiqi}, title = {On a theorem of {Fej\'er.}}, journal = {Mathematische Zeitschrift}, pages = {79--81}, publisher = {mathdoc}, volume = {61}, year = {1954}, zbl = {0056.06201}, url = {http://geodesic.mathdoc.fr/item/MZ_1954__61_169449/} }
Jamil A. Siddiqi. On a theorem of Fejér.. Mathematische Zeitschrift, Tome 61 (1954), pp. 79-81. http://geodesic.mathdoc.fr/item/MZ_1954__61_169449/