@article{1183409217, author = {Goodstein, R. L.}, title = {Transfinite Ordinals in Recursive Number Theory}, journal = {J. Symbolic Logic}, volume = {12}, number = {1}, year = {1947}, pages = { 123-129}, language = {en}, url = {http://dml.mathdoc.fr/item/1183409217} }
Goodstein, R. L. Transfinite Ordinals in Recursive Number Theory. J. Symbolic Logic, Tome 12 (1947) no. 1, pp. 123-129. http://gdmltest.u-ga.fr/item/1183409217/