@article{1200780170, author = {Okuyama, Tetsuro and Tsushima, Yukio}, title = {On the theorems of Gash\"utz and Willems}, journal = {Osaka J. Math.}, volume = {24}, number = {1}, year = {1987}, pages = { 391-394}, language = {en}, url = {http://dml.mathdoc.fr/item/1200780170} }
Okuyama, Tetsuro; Tsushima, Yukio. On the theorems of Gashütz and Willems. Osaka J. Math., Tome 24 (1987) no. 1, pp. 391-394. http://gdmltest.u-ga.fr/item/1200780170/