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@article{10_4064_cm_21_1_49_52, author = {Joseph T. Borrego}, title = {Continuity of the operation in a semilattice}, journal = {Colloquium Mathematicum}, pages = {49--52}, publisher = {mathdoc}, volume = {21}, number = {1}, year = {1970}, doi = {10.4064/cm-21-1-49-52}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-21-1-49-52/} }
Joseph T. Borrego. Continuity of the operation in a semilattice. Colloquium Mathematicum, Tome 21 (1970) no. 1, pp. 49-52. doi : 10.4064/cm-21-1-49-52. http://geodesic.mathdoc.fr/articles/10.4064/cm-21-1-49-52/
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