@article{1195521662,
author = {Tanaka, Sh\^otar\^o},
title = {On axiom systems of propositional calculi, XXV},
journal = {Proc. Japan Acad.},
volume = {43},
number = {5},
year = {1967},
pages = { 192-193},
language = {en},
url = {http://dml.mathdoc.fr/item/1195521662}
}
Tanaka, Shôtarô. On axiom systems of propositional calculi, XXV. Proc. Japan Acad., Tome 43 (1967) no. 5, pp. 192-193. http://gdmltest.u-ga.fr/item/1195521662/