@article{1183735512, author = {Smullyan, Raymond M.}, title = {Finite Nest Structures and Propositional Logic}, journal = {J. Symbolic Logic}, volume = {31}, number = {1}, year = {1966}, pages = { 322-324}, language = {en}, url = {http://dml.mathdoc.fr/item/1183735512} }
Smullyan, Raymond M. Finite Nest Structures and Propositional Logic. J. Symbolic Logic, Tome 31 (1966) no. 1, pp. 322-324. http://gdmltest.u-ga.fr/item/1183735512/