@article{1093882790, author = {Mackenzie, J. D.}, title = {How to stop talking to tortoises.}, journal = {Notre Dame J. Formal Logic}, volume = {20}, number = {1}, year = {1979}, pages = { 705-717}, language = {en}, url = {http://dml.mathdoc.fr/item/1093882790} }
Mackenzie, J. D. How to stop talking to tortoises.. Notre Dame J. Formal Logic, Tome 20 (1979) no. 1, pp. 705-717. http://gdmltest.u-ga.fr/item/1093882790/