@article{1103036503, author = {Petrich, Mario}, title = {Semicharacters of the Cartesian product of two semigroups.}, journal = {Pacific J. Math.}, volume = {12}, number = {4}, year = {1962}, pages = { 679-683}, language = {en}, url = {http://dml.mathdoc.fr/item/1103036503} }
Petrich, Mario. Semicharacters of the Cartesian product of two semigroups.. Pacific J. Math., Tome 12 (1962) no. 4, pp. 679-683. http://gdmltest.u-ga.fr/item/1103036503/