@article{1183737623,
author = {Isles, David},
title = {Natural Well-Orderings},
journal = {J. Symbolic Logic},
volume = {36},
number = {1},
year = {1971},
pages = { 288-300},
language = {en},
url = {http://dml.mathdoc.fr/item/1183737623}
}
Isles, David. Natural Well-Orderings. J. Symbolic Logic, Tome 36 (1971) no. 1, pp. 288-300. http://gdmltest.u-ga.fr/item/1183737623/