@article{1183389231, author = {Kraft, Julius}, title = {Review: C. J. Ducasse, Propositions, Opinions, Sentences, and Facts}, journal = {J. Symbolic Logic}, volume = {6}, number = {1}, year = {1941}, pages = { 68-69}, language = {en}, url = {http://dml.mathdoc.fr/item/1183389231} }
Kraft, Julius. Review: C. J. Ducasse, Propositions, Opinions, Sentences, and Facts. J. Symbolic Logic, Tome 6 (1941) no. 1, pp. 68-69. http://gdmltest.u-ga.fr/item/1183389231/