@article{1183734729,
author = {Lemmon, E. J. and Dummett, M. A. E. and Crossley, J. N.},
title = {Meeting of the Association for Symbolic Logic},
journal = {J. Symbolic Logic},
volume = {28},
number = {1},
year = {1963},
pages = { 262-272},
language = {en},
url = {http://dml.mathdoc.fr/item/1183734729}
}
Lemmon, E. J.; Dummett, M. A. E.; Crossley, J. N. Meeting of the Association for Symbolic Logic. J. Symbolic Logic, Tome 28 (1963) no. 1, pp. 262-272. http://gdmltest.u-ga.fr/item/1183734729/