@article{1093893855, author = {Thomas, Ivo}, title = {Final word on a shortest implicational axiom.}, journal = {Notre Dame J. Formal Logic}, volume = {11}, number = {1}, year = {1970}, language = {en}, url = {http://dml.mathdoc.fr/item/1093893855} }
Thomas, Ivo. Final word on a shortest implicational axiom.. Notre Dame J. Formal Logic, Tome 11 (1970) no. 1, . http://gdmltest.u-ga.fr/item/1093893855/