JournalsemVol. 74, No. 3pp. 131–134

A characterization of the focals of hyperbolas

A characterization of the focals of hyperbolas cover

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Paris Pamfilos, A characterization of the focals of hyperbolas. Elem. Math. 74 (2019), no. 3, pp. 131–134

DOI 10.4171/EM/390