516.15 SMITH, CHARLES (AN) ELEMENTARY TREATISE ON CONIC SECTIONS BY THE METHODS OF CO-ORDINATE GEOMETRY / / C . SMITH. - LONDON: : MACMILLAN,, 1883. x , 449 P.. 2ND ED / 1910 (1962 RPT ). * GEOMETRY - CO-ORDINATE. CONFIGURATION GEOMETRY.
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