@article{1183387833, author = {Beth, Evert}, title = {Review: C. J. Ducasse, Symbols, Signs, and Signals}, journal = {J. Symbolic Logic}, volume = {5}, number = {1}, year = {1940}, pages = { 79-80}, language = {en}, url = {http://dml.mathdoc.fr/item/1183387833} }
Beth, Evert. Review: C. J. Ducasse, Symbols, Signs, and Signals. J. Symbolic Logic, Tome 5 (1940) no. 1, pp. 79-80. http://gdmltest.u-ga.fr/item/1183387833/