2024-03-29T01:07:19Z
https://oai.zbmath.org/v1/
oai:zbmath.org:2612971
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JFM
Bell, R. J. T.
1916
2612971
English
Edinburgh Mathematical Society, Edinburgh
https://zbmath.org/02612971
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Math. Notes 20, 229-230 (1916,1918).
On the direction cosines of the axes of the conicoid \(f(x, y, z)=ax^2+by^2+cz^2+2fyz+2gzx+2hxy=1\).
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