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@article{SF_1977__15_134267, author = {R. E. Jamison}, title = {Tietze's convexity theorey for lattices and semilattices.}, journal = {Semigroup forum}, pages = {357--374}, publisher = {mathdoc}, volume = {15}, year = {1977}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SF_1977__15_134267/} }
R. E. Jamison. Tietze's convexity theorey for lattices and semilattices.. Semigroup forum, Tome 15 (1977), pp. 357-374. http://geodesic.mathdoc.fr/item/SF_1977__15_134267/