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@article{10_4064_fm_73_3_235_247, author = {P. Knight}, title = {Algebraic equivalence of ordinal numbers}, journal = {Fundamenta Mathematicae}, pages = {235--247}, publisher = {mathdoc}, volume = {73}, number = {3}, year = {1971}, doi = {10.4064/fm-73-3-235-247}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-73-3-235-247/} }
P. Knight. Algebraic equivalence of ordinal numbers. Fundamenta Mathematicae, Tome 73 (1971) no. 3, pp. 235-247. doi : 10.4064/fm-73-3-235-247. http://geodesic.mathdoc.fr/articles/10.4064/fm-73-3-235-247/
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