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@article{MZ_1968__107_171066, author = {Gordon Keller}, title = {Concerning the {Degrees} of {Irreducible} {Characters.}}, journal = {Mathematische Zeitschrift}, pages = {221--224}, publisher = {mathdoc}, volume = {107}, year = {1968}, zbl = {0186.32801}, url = {http://geodesic.mathdoc.fr/item/MZ_1968__107_171066/} }
Gordon Keller. Concerning the Degrees of Irreducible Characters.. Mathematische Zeitschrift, Tome 107 (1968), pp. 221-224. http://geodesic.mathdoc.fr/item/MZ_1968__107_171066/