@article{1183738089, author = {Gabbay, Dov M.}, title = {Applications of Trees to Intermediate Logics}, journal = {J. Symbolic Logic}, volume = {37}, number = {1}, year = {1972}, pages = { 135-138}, language = {en}, url = {http://dml.mathdoc.fr/item/1183738089} }
Gabbay, Dov M. Applications of Trees to Intermediate Logics. J. Symbolic Logic, Tome 37 (1972) no. 1, pp. 135-138. http://gdmltest.u-ga.fr/item/1183738089/