@article{1183735047, author = {Pour-El, Marian Boykan}, title = {Review: Raymond M. Smullyan, Theory of Formal Systems}, journal = {J. Symbolic Logic}, volume = {30}, number = {1}, year = {1965}, pages = { 88-90}, language = {en}, url = {http://dml.mathdoc.fr/item/1183735047} }
Pour-El, Marian Boykan. Review: Raymond M. Smullyan, Theory of Formal Systems. J. Symbolic Logic, Tome 30 (1965) no. 1, pp. 88-90. http://gdmltest.u-ga.fr/item/1183735047/