@article{1178245419,
author = {It\^o, Noboru},
title = {On $\Pi$-structures of finite groups},
journal = {Tohoku Math. J. (2)},
volume = {4},
number = {3},
year = {1952},
pages = { 172-177},
language = {en},
url = {http://dml.mathdoc.fr/item/1178245419}
}
Itô, Noboru. On $\Pi$-structures of finite groups. Tohoku Math. J. (2), Tome 4 (1952) no. 3, pp. 172-177. http://gdmltest.u-ga.fr/item/1178245419/