A Direct Derivation of the Equation of the Director Circle of an Ellipse
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Publication:3241615
DOI10.2307/3029317zbMath0077.14504OpenAlexW2333070066MaRDI QIDQ3241615
Publication date: 1957
Published in: Mathematics Magazine (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2307/3029317
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