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Invariants of two quaternary quadrics
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- Journal:
- Proceedings of the Edinburgh Mathematical Society / Volume 5 / Issue 1 / October 1936
- Published online by Cambridge University Press:
- 20 January 2009, pp. 41-42
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Some advances towards a purely geometrical justification of the use of unreal elements in projective geometry
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- Journal:
- Mathematical Proceedings of the Cambridge Philosophical Society / Volume 27 / Issue 3 / July 1931
- Published online by Cambridge University Press:
- 24 October 2008, pp. 306-325
- Print publication:
- July 1931
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