@article{1093890709,
author = {Harris, John H.},
title = {Indexings of sets.},
journal = {Notre Dame J. Formal Logic},
volume = {13},
number = {3},
year = {1972},
pages = { 481-484},
language = {en},
url = {http://dml.mathdoc.fr/item/1093890709}
}
Harris, John H. Indexings of sets.. Notre Dame J. Formal Logic, Tome 13 (1972) no. 3, pp. 481-484. http://gdmltest.u-ga.fr/item/1093890709/