@article{1093883510,
author = {Wagner, Steven},
title = {Tonk.},
journal = {Notre Dame J. Formal Logic},
volume = {22},
number = {1},
year = {1981},
pages = { 289-300},
language = {en},
url = {http://dml.mathdoc.fr/item/1093883510}
}
Wagner, Steven. Tonk.. Notre Dame J. Formal Logic, Tome 22 (1981) no. 1, pp. 289-300. http://gdmltest.u-ga.fr/item/1093883510/