@article{1183734977, author = {Enderton, Herbert and Luckham, David}, title = {Hierarchies Over Recursive Well-Orderings}, journal = {J. Symbolic Logic}, volume = {29}, number = {1}, year = {1964}, pages = { 183-190}, language = {en}, url = {http://dml.mathdoc.fr/item/1183734977} }
Enderton, Herbert; Luckham, David. Hierarchies Over Recursive Well-Orderings. J. Symbolic Logic, Tome 29 (1964) no. 1, pp. 183-190. http://gdmltest.u-ga.fr/item/1183734977/