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@article{10_4064_cm_30_1_57_59, author = {G. Gr\"atzer and J. Sichler}, title = {Agassiz sum of algebras}, journal = {Colloquium Mathematicum}, pages = {57--59}, publisher = {mathdoc}, volume = {30}, number = {1}, year = {1974}, doi = {10.4064/cm-30-1-57-59}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-30-1-57-59/} }
G. Grätzer; J. Sichler. Agassiz sum of algebras. Colloquium Mathematicum, Tome 30 (1974) no. 1, pp. 57-59. doi : 10.4064/cm-30-1-57-59. http://geodesic.mathdoc.fr/articles/10.4064/cm-30-1-57-59/
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