Ibn al-Ŝatir (Esperanto Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ibn al-Ŝatir" in Esperanto language version.

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jstor.org

The model Copernicus used in his earlier Commentariolus differs in minor detail from that of ibn al-Shatir. V. Roberts kaj E. S. Kennedy, "The Planetary Theory of Ibn al-Shatir", Isis, 50(1959):232-234. jstor