@article{1093887534,
author = {Peterson, Jeremy George},
title = {Shortest single axioms for the classical equivalential calculus.},
journal = {Notre Dame J. Formal Logic},
volume = {17},
number = {1},
year = {1976},
pages = { 267-271},
language = {en},
url = {http://dml.mathdoc.fr/item/1093887534}
}
Peterson, Jeremy George. Shortest single axioms for the classical equivalential calculus.. Notre Dame J. Formal Logic, Tome 17 (1976) no. 1, pp. 267-271. http://gdmltest.u-ga.fr/item/1093887534/