@article{GDZPPN002343355,
title = {Logic-free formalisations of recursive arithmetic},
journal = {Mathematica Scandinavica},
volume = {2},
year = {1954},
pages = {247-261},
zbl = {0058.24902},
url = {http://dml.mathdoc.fr/item/GDZPPN002343355}
}
GOODSTEIN, R.L. Logic-free formalisations of recursive arithmetic. Mathematica Scandinavica, Tome 2 (1954) pp. 247-261. http://gdmltest.u-ga.fr/item/GDZPPN002343355/