A proof of the directro-focal property of the plane section of a cone in non-euclidean space.

DOI10.1112/PLMS/S1-32.1.308zbMath31.0542.01OpenAlexW1988027355MaRDI QIDQ1511548

Irving Stringham

Publication date: 1900

Published in: Proceedings of the London Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1112/plms/s1-32.1.308

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