@article{1093893348,
author = {Seldin, Jonathan P.},
title = {Note on definitional reductions.},
journal = {Notre Dame J. Formal Logic},
volume = {9},
number = {1},
year = {1968},
pages = { 4-6},
language = {en},
url = {http://dml.mathdoc.fr/item/1093893348}
}
Seldin, Jonathan P. Note on definitional reductions.. Notre Dame J. Formal Logic, Tome 9 (1968) no. 1, pp. 4-6. http://gdmltest.u-ga.fr/item/1093893348/