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@article{PORMA_1993__50_4_114948, author = {Ramalho, Margarita}, title = {The coherent algebras in the varieties $K_{n,m}$ of {Ockham} algebras}, journal = {Portugaliae mathematica}, pages = {435--445}, publisher = {mathdoc}, volume = {50}, number = {4}, year = {1993}, mrnumber = {1279159}, zbl = {0802.06014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1993__50_4_114948/} }
Ramalho, Margarita. The coherent algebras in the varieties $K_{n,m}$ of Ockham algebras. Portugaliae mathematica, Tome 50 (1993) no. 4, pp. 435-445. http://geodesic.mathdoc.fr/item/PORMA_1993__50_4_114948/