@article{1183730704, author = {Beth, E. W.}, title = {Review: A. Heyting, Language and Sign in Mathematics}, journal = {J. Symbolic Logic}, volume = {14}, number = {1}, year = {1949}, language = {en}, url = {http://dml.mathdoc.fr/item/1183730704} }
Beth, E. W. Review: A. Heyting, Language and Sign in Mathematics. J. Symbolic Logic, Tome 14 (1949) no. 1, . http://gdmltest.u-ga.fr/item/1183730704/