@article{1200770451, author = {Nakai, Yoshikazu and Baba, Kiyoshi}, title = {A generalization of Magnus' theorem}, journal = {Osaka J. Math.}, volume = {14}, number = {1}, year = {1977}, pages = { 403-409}, language = {en}, url = {http://dml.mathdoc.fr/item/1200770451} }
Nakai, Yoshikazu; Baba, Kiyoshi. A generalization of Magnus' theorem. Osaka J. Math., Tome 14 (1977) no. 1, pp. 403-409. http://gdmltest.u-ga.fr/item/1200770451/