@article{1256053738, author = {Thompson, John G.}, title = {Envelopes and $p$-signalizers of finite groups}, journal = {Illinois J. Math.}, volume = {13}, number = {4}, year = {1969}, pages = { 87-90}, language = {en}, url = {http://dml.mathdoc.fr/item/1256053738} }
Thompson, John G. Envelopes and $p$-signalizers of finite groups. Illinois J. Math., Tome 13 (1969) no. 4, pp. 87-90. http://gdmltest.u-ga.fr/item/1256053738/