@article{1195520625, author = {Lajos, S\'andor}, title = {On the bi-ideals in semigroups}, journal = {Proc. Japan Acad.}, volume = {45}, number = {8}, year = {1969}, pages = { 710-712}, language = {en}, url = {http://dml.mathdoc.fr/item/1195520625} }
Lajos, Sándor. On the bi-ideals in semigroups. Proc. Japan Acad., Tome 45 (1969) no. 8, pp. 710-712. http://gdmltest.u-ga.fr/item/1195520625/