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@article{AMLG_1983__23_138012, author = {Evangelos Kranakis}, title = {Definable {Ramsey} and definable {Erd\"os} ordinals.}, journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung}, pages = {115--128}, publisher = {mathdoc}, volume = {23}, year = {1983}, zbl = {0535.03028}, url = {http://geodesic.mathdoc.fr/item/AMLG_1983__23_138012/} }
Evangelos Kranakis. Definable Ramsey and definable Erdös ordinals.. Archiv für mathematische Logik und Grundlagenforschung, Tome 23 (1983), pp. 115-128. http://geodesic.mathdoc.fr/item/AMLG_1983__23_138012/