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@article{AM2_1977__15_136641, author = {Joel Berman}, title = {Distributive lattices with an additional unary operation. {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {118--118}, publisher = {mathdoc}, volume = {15}, year = {1977}, zbl = {0395.06007}, url = {http://geodesic.mathdoc.fr/item/AM2_1977__15_136641/} }
Joel Berman. Distributive lattices with an additional unary operation. (Short Communication).. Aequationes mathematicae, Tome 15 (1977), p. 118. http://geodesic.mathdoc.fr/item/AM2_1977__15_136641/