@article{1195522035,
author = {Tanaka, Sh\^otar\^o},
title = {On axiom systems of propositional calculi, XX},
journal = {Proc. Japan Acad.},
volume = {42},
number = {5},
year = {1966},
pages = { 361-363},
language = {en},
url = {http://dml.mathdoc.fr/item/1195522035}
}
Tanaka, Shôtarô. On axiom systems of propositional calculi, XX. Proc. Japan Acad., Tome 42 (1966) no. 5, pp. 361-363. http://gdmltest.u-ga.fr/item/1195522035/