@article{1183737838, author = {Copi, Irving M.}, title = {Review: Henry W. Johnstone, The Law of Non-Contradition}, journal = {J. Symbolic Logic}, volume = {36}, number = {1}, year = {1971}, pages = { 550-551}, language = {en}, url = {http://dml.mathdoc.fr/item/1183737838} }
Copi, Irving M. Review: Henry W. Johnstone, The Law of Non-Contradition. J. Symbolic Logic, Tome 36 (1971) no. 1, pp. 550-551. http://gdmltest.u-ga.fr/item/1183737838/