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@article{MASLO_1983__33_2_a13, author = {Andr\'eka, Hajnal and N\'emeti, Istv\'an and \v{S}ulka, Robert}, title = {Remark on one-sided $A$-ideals of semigroups}, journal = {Mathematica slovaca}, pages = {231--235}, publisher = {mathdoc}, volume = {33}, number = {2}, year = {1983}, mrnumber = {699093}, zbl = {0518.20061}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1983__33_2_a13/} }
Andréka, Hajnal; Németi, István; Šulka, Robert. Remark on one-sided $A$-ideals of semigroups. Mathematica slovaca, Tome 33 (1983) no. 2, pp. 231-235. http://geodesic.mathdoc.fr/item/MASLO_1983__33_2_a13/