On Models with Undefinable Elements.
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Publication:5645411
DOI10.7146/math.scand.a-11027zbMath0236.02041OpenAlexW2530860739MaRDI QIDQ5645411
Andrzej Ehrenfeucht, Gebhard Fuhrken
Publication date: 1971
Published in: MATHEMATICA SCANDINAVICA (Search for Journal in Brave)
Full work available at URL: https://eudml.org/doc/166186
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