Coolidge, Julian Lowell 1873-1954 A history of the conic sections and quadric surfaces / by Julian Lowell Coolidge - New York : Dover, 1968 - 214 p. : il. ; 21,5 cm Subjects--Topical Terms: GEOMETRIA PROYECTIVAGEOMETRIA ALGEBRAICAHISTORIAGEOMETRIAMATEMATICAS Universal Decimal Class. No.: 514(091)