Smith, Charles
Elementary treatise on conic sections by the methods of co-ordinate geometry - New ed. rev. and enl. - London Macmillan 1910 - x, 449 p. diagrs
515.4 / SMI/1910
Elementary treatise on conic sections by the methods of co-ordinate geometry - New ed. rev. and enl. - London Macmillan 1910 - x, 449 p. diagrs
515.4 / SMI/1910