Goldstein, Bernard R., What's new in Kepler's new astronomy?, Earman, John; Norton, John D. (编), The Cosmos of Science: Essays of Exploration, Pittsburgh-Konstanz series in the philosophy and history of science, University of Pittsburgh Press: 3–23, 1998, ISBN 9780822972013. See in particular p. 21 (页面存档备份,存于互联网档案馆): "an unpublished manuscript by Viète includes a mathematical discussion of an ellipse in a planetary model".
Goldstein, Bernard R., What's new in Kepler's new astronomy?, Earman, John; Norton, John D. (编), The Cosmos of Science: Essays of Exploration, Pittsburgh-Konstanz series in the philosophy and history of science, University of Pittsburgh Press: 3–23, 1998, ISBN 9780822972013. See in particular p. 21 (页面存档备份,存于互联网档案馆): "an unpublished manuscript by Viète includes a mathematical discussion of an ellipse in a planetary model".