@article{1093891887, author = {Thomas, Ivo}, title = {Nice implicational axioms.}, journal = {Notre Dame J. Formal Logic}, volume = {16}, number = {1}, year = {1975}, pages = { 507-508}, language = {en}, url = {http://dml.mathdoc.fr/item/1093891887} }
Thomas, Ivo. Nice implicational axioms.. Notre Dame J. Formal Logic, Tome 16 (1975) no. 1, pp. 507-508. http://gdmltest.u-ga.fr/item/1093891887/