@article{GDZPPN002405601, title = {A Block Correspondence and Isometries of Group Characters.}, journal = {Mathematische Zeitschrift}, volume = {114}, year = {1970}, pages = {1-16}, zbl = {0175.30401}, url = {http://dml.mathdoc.fr/item/GDZPPN002405601} }
Reynolds, William F. A Block Correspondence and Isometries of Group Characters.. Mathematische Zeitschrift, Tome 114 (1970) pp. 1-16. http://gdmltest.u-ga.fr/item/GDZPPN002405601/