@article{1195522248, author = {Tanaka, Sh\^otar\^o}, title = {On axiom systems of propositional calculi, VIII}, journal = {Proc. Japan Acad.}, volume = {41}, number = {9}, year = {1965}, pages = { 795-797}, language = {en}, url = {http://dml.mathdoc.fr/item/1195522248} }
Tanaka, Shôtarô. On axiom systems of propositional calculi, VIII. Proc. Japan Acad., Tome 41 (1965) no. 9, pp. 795-797. http://gdmltest.u-ga.fr/item/1195522248/