@article{MZ_1970__117_171431, author = {Olaf Tamaschke}, title = {On {Schur-Rings} which {Define} a {Proper} {Character} {Theory} on {Finite} {Groups.}}, journal = {Mathematische Zeitschrift}, pages = {340--360}, publisher = {mathdoc}, volume = {117}, year = {1970}, zbl = {0204.35203}, url = {http://geodesic.mathdoc.fr/item/MZ_1970__117_171431/} }