프톨레마이오스 정리 (Korean Wikipedia)

Analysis of information sources in references of the Wikipedia article "프톨레마이오스 정리" in Korean language version.

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doi.org

dx.doi.org

Berger, Marcel (1987). 《Geometry I》. Universitext (영어). 번역 Cole, Michael; Levy, Silvio. Berlin, Heidelberg: Springer. doi:10.1007/978-3-540-93815-6. ISBN 978-3-540-11658-5. ISSN 0172-5939.

worldcat.org

Berger, Marcel (1987). 《Geometry I》. Universitext (영어). 번역 Cole, Michael; Levy, Silvio. Berlin, Heidelberg: Springer. doi:10.1007/978-3-540-93815-6. ISBN 978-3-540-11658-5. ISSN 0172-5939.