@article{1093888018, author = {Sarlet, Henri J.}, title = {Hintikka's free logic is not free.}, journal = {Notre Dame J. Formal Logic}, volume = {18}, number = {1}, year = {1977}, language = {en}, url = {http://dml.mathdoc.fr/item/1093888018} }
Sarlet, Henri J. Hintikka's free logic is not free.. Notre Dame J. Formal Logic, Tome 18 (1977) no. 1, . http://gdmltest.u-ga.fr/item/1093888018/