@article{1183736765, author = {Grilliot, Thomas J.}, title = {Hierarchies Based on Objects of Finite Type}, journal = {J. Symbolic Logic}, volume = {34}, number = {1}, year = {1969}, pages = { 177-182}, language = {en}, url = {http://dml.mathdoc.fr/item/1183736765} }
Grilliot, Thomas J. Hierarchies Based on Objects of Finite Type. J. Symbolic Logic, Tome 34 (1969) no. 1, pp. 177-182. http://gdmltest.u-ga.fr/item/1183736765/