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A Treatise on the Analytic Geometry of Three Dimensions IIGeorge SalmonXIII. Partial Differential Equations of Families of Surfaces. General Conception of a Family of Surfaces
XIV. The Wave Surface, The Centro-Surface, Parallel, Pedal, and Inverse Surfaces
XV. Surfaces of the Third Degree
XVI. Surfaces of the Fourth Degree
XVII. General Theory of Surfaces
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