@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/