@article{1195524891, author = {Fujiwara, Tsuyoshi}, title = {Note on free products}, journal = {Proc. Japan Acad.}, volume = {33}, number = {10}, year = {1957}, pages = { 636-638}, language = {en}, url = {http://dml.mathdoc.fr/item/1195524891} }
Fujiwara, Tsuyoshi. Note on free products. Proc. Japan Acad., Tome 33 (1957) no. 10, pp. 636-638. http://gdmltest.u-ga.fr/item/1195524891/