Feng, Z. Why are the Gergonne and Soddy Lines perpendicular ? A synthetic approachWhy are the Gergonne and Soddy Lines Perpendicular? A synthetic approach.
Citación estilo ChicagoFeng, Zuming. Why Are the Gergonne and Soddy Lines Perpendicular ? A Synthetic ApproachWhy Are the Gergonne and Soddy Lines Perpendicular? A Synthetic Approach.
Cita MLAFeng, Zuming. Why Are the Gergonne and Soddy Lines Perpendicular ? A Synthetic ApproachWhy Are the Gergonne and Soddy Lines Perpendicular? A Synthetic Approach.
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