@article{bwmeta1.element.bwnjournal-article-fmv73i1p26bwm,
author = {P. Knight},
title = {Algebraic equivalence of ordinal numbers},
journal = {Fundamenta Mathematicae},
volume = {75},
year = {1972},
pages = {235-247},
zbl = {0229.04002},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv73i1p26bwm}
}
Knight, P. Algebraic equivalence of ordinal numbers. Fundamenta Mathematicae, Tome 75 (1972) pp. 235-247. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv73i1p26bwm/