@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/