@article{1183387820, author = {Langford, C. H.}, title = {Review: C. D. Hardie, The Necessity of a Priori Propositions}, journal = {J. Symbolic Logic}, volume = {5}, number = {1}, year = {1940}, pages = { 74-75}, language = {en}, url = {http://dml.mathdoc.fr/item/1183387820} }
Langford, C. H. Review: C. D. Hardie, The Necessity of a Priori Propositions. J. Symbolic Logic, Tome 5 (1940) no. 1, pp. 74-75. http://gdmltest.u-ga.fr/item/1183387820/