@article{1195523059, author = {Tamura, Takayuki and Sasaki, Morio}, title = {Semigroups of positive integer vectors}, journal = {Proc. Japan Acad.}, volume = {39}, number = {9}, year = {1963}, pages = { 289-293}, language = {en}, url = {http://dml.mathdoc.fr/item/1195523059} }
Tamura, Takayuki; Sasaki, Morio. Semigroups of positive integer vectors. Proc. Japan Acad., Tome 39 (1963) no. 9, pp. 289-293. http://gdmltest.u-ga.fr/item/1195523059/