@article{GDZPPN002403498, title = {Isometries and Principal Blocks of Group Characters.}, journal = {Mathematische Zeitschrift}, volume = {105}, year = {1968}, pages = {264-270}, zbl = {0174.05402}, url = {http://dml.mathdoc.fr/item/GDZPPN002403498} }
Reynolds, William F. Isometries and Principal Blocks of Group Characters.. Mathematische Zeitschrift, Tome 105 (1968) pp. 264-270. http://gdmltest.u-ga.fr/item/GDZPPN002403498/