@article{1093891490, author = {Smyth, M. B.}, title = {Involution as a basis for propositional calculi.}, journal = {Notre Dame J. Formal Logic}, volume = {15}, number = {1}, year = {1974}, pages = { 569-588}, language = {en}, url = {http://dml.mathdoc.fr/item/1093891490} }
Smyth, M. B. Involution as a basis for propositional calculi.. Notre Dame J. Formal Logic, Tome 15 (1974) no. 1, pp. 569-588. http://gdmltest.u-ga.fr/item/1093891490/