Finite groups whose 2-subgroups are generated by at most 4 elements/
Daniel Gorenstein and Koichiro Harada.
- Providence, R.I.: American Mathematical Society, 1974.
- vii, 464 p.: 26 cm.
- Memoirs of the American Mathematical Society; no. 147. .
- Memoirs of the American Mathematical Society; no. 147. .