@article{1200689540,
author = {Kuroda, Sigekatu},
title = {An investigation on the logical structure of mathematics. IX. Deductions in the natural-number theory $T\sb1\,(N)$},
journal = {Osaka Math. J.},
volume = {11},
number = {1},
year = {1959},
pages = { 7-42},
language = {en},
url = {http://dml.mathdoc.fr/item/1200689540}
}
Kuroda, Sigekatu. An investigation on the logical structure of mathematics. IX. Deductions in the natural-number theory $T\sb1\,(N)$. Osaka Math. J., Tome 11 (1959) no. 1, pp. 7-42. http://gdmltest.u-ga.fr/item/1200689540/