@article{1261414953, author = {HASHIMOTO, Hiroshi}, title = {On the kernel of semigroups.}, journal = {J. Math. Soc. Japan}, volume = {7}, number = {4}, year = {1955}, pages = { 59-66}, language = {en}, url = {http://dml.mathdoc.fr/item/1261414953} }
HASHIMOTO, Hiroshi. On the kernel of semigroups.. J. Math. Soc. Japan, Tome 7 (1955) no. 4, pp. 59-66. http://gdmltest.u-ga.fr/item/1261414953/