@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/