TY  - JOUR
AU  - Paul Fong
AU  - Morton E. Harris
TI  - On perfect isometries and isotypies in finite groups.
JO  - Inventiones mathematicae
PY  - 1993
SP  - 139
EP  - 192
VL  - 114
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1993__114_1_144144/
ID  - IM_1993__114_1_144144
ER  -