@article{1200688064, author = {Gr\"un, Otto}, title = {Beitr\"age zur Gruppentheorie. V. \"Uber endliche $p$-Gruppen}, journal = {Osaka Math. J.}, volume = {5}, number = {1}, year = {1953}, pages = { 117-146}, language = {en}, url = {http://dml.mathdoc.fr/item/1200688064} }
Grün, Otto. Beiträge zur Gruppentheorie. V. Über endliche $p$-Gruppen. Osaka Math. J., Tome 5 (1953) no. 1, pp. 117-146. http://gdmltest.u-ga.fr/item/1200688064/