@article{1261147136, author = {CHU, Hsin}, title = {Bonded groups}, journal = {J. Math. Soc. Japan}, volume = {13}, number = {4}, year = {1961}, pages = { 136-143}, language = {en}, url = {http://dml.mathdoc.fr/item/1261147136} }
CHU, Hsin. Bonded groups. J. Math. Soc. Japan, Tome 13 (1961) no. 4, pp. 136-143. http://gdmltest.u-ga.fr/item/1261147136/