Forsyth, A.R. . Lectures on the Differential Geometry of Curves and Surfaces / Textual Documents A.R.Forsyth. - 1st ed. / - Cambridge : At The University Press , 1912. - 518p. : ill ; 23cm . Subjects--Index Terms: Differential Geometry G-Mathematics Dewey Class. No.: 513.7 / F 774 L