@article{1093958151,
author = {Shukla, Anjan},
title = {A set of axioms for the propositional calculus with implication and converse non-implication.},
journal = {Notre Dame J. Formal Logic},
volume = {6},
number = {1},
year = {1965},
pages = { 123-128},
language = {en},
url = {http://dml.mathdoc.fr/item/1093958151}
}
Shukla, Anjan. A set of axioms for the propositional calculus with implication and converse non-implication.. Notre Dame J. Formal Logic, Tome 6 (1965) no. 1, pp. 123-128. http://gdmltest.u-ga.fr/item/1093958151/