@article{GDZPPN002182416,
title = {Involutory commutants with some applications to algebraic cryptography. II},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {228},
year = {1967},
pages = {1-24},
zbl = {0178.03401},
url = {http://dml.mathdoc.fr/item/GDZPPN002182416}
}
Levine, J.; Brawley, J.V. Involutory commutants with some applications to algebraic cryptography. II. Journal für die reine und angewandte Mathematik, Tome 228 (1967) pp. 1-24. http://gdmltest.u-ga.fr/item/GDZPPN002182416/