Pilar Dellunde. On Definability of the Equality in Classes of Algebras with an Equivalence Relation. Studia Logica, 64(3):345-353, 2000.
@article{Dellunde00, title = {On Definability of the Equality in Classes of Algebras with an Equivalence Relation}, author = {Pilar Dellunde}, year = {2000}, tags = { algebra}, researchr = {https://researchr.org/publication/Dellunde00}, cites = {0}, citedby = {0}, journal = {Studia Logica}, volume = {64}, number = {3}, pages = {345-353}, }