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Realms of mathematics: Elliptic, hyperbolic, parabolic, sub-elliptic

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  1. Mathematics Department, Cornell University, 14853, Ithaca, NY, USA

    Robert S. Strichartz

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  1. Robert S. Strichartz
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Strichartz, R.S. Realms of mathematics: Elliptic, hyperbolic, parabolic, sub-elliptic. The Mathematical Intelligencer 9, 56–64 (1987). https://doi.org/10.1007/BF03023957

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