About the so called non euclidean geometry.

DOI10.1007/BF02100583zbMath03.0231.02WikidataQ56453827 ScholiaQ56453827MaRDI QIDQ1562166

F. Klein

Publication date: 1871

Published in: Mathematische Annalen (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/156553

zbMATH Keywords

parallelismtrigonometry

Mathematics Subject Classification ID

Euclidean analytic geometry (51N20)

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