@article{1195519666,
author = {Sekimoto, Toshihiko},
title = {On the uniqueness of the shortest single axiom or the implicational calculus of propositions},
journal = {Proc. Japan Acad.},
volume = {48},
number = {10},
year = {1972},
pages = { 290-292},
language = {en},
url = {http://dml.mathdoc.fr/item/1195519666}
}
Sekimoto, Toshihiko. On the uniqueness of the shortest single axiom or the implicational calculus of propositions. Proc. Japan Acad., Tome 48 (1972) no. 10, pp. 290-292. http://gdmltest.u-ga.fr/item/1195519666/