@article{1183738647, author = {Snyder, Donald Paul}, title = {Review: J. Jay Zeman, Bases for S4 and S4.2 without Added Axioms}, journal = {J. Symbolic Logic}, volume = {38}, number = {1}, year = {1973}, language = {en}, url = {http://dml.mathdoc.fr/item/1183738647} }
Snyder, Donald Paul. Review: J. Jay Zeman, Bases for S4 and S4.2 without Added Axioms. J. Symbolic Logic, Tome 38 (1973) no. 1, . http://gdmltest.u-ga.fr/item/1183738647/