Dov M. Gabbay, Dick De Jongh. A Sequence of Decidable Finitely Axiomatizable Intermediate Logics with the Disjunction Property. Journal of Symbolic Logic, 39(1):67-78, 1974.
@article{GabbayJ74, title = {A Sequence of Decidable Finitely Axiomatizable Intermediate Logics with the Disjunction Property}, author = {Dov M. Gabbay and Dick De Jongh}, year = {1974}, tags = {logic}, researchr = {https://researchr.org/publication/GabbayJ74}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {39}, number = {1}, pages = {67-78}, }