TY  - JOUR
AU  - Torben Maack Bisgaard
TI  - Characterization of perfect involution groups.
JO  - Mathematica Scandinavica
PY  - 1989
SP  - 245
EP  - 258
VL  - 65
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1989__65_2_167082/
ID  - MS2_1989__65_2_167082
ER  -