Howison, G.H. A treatise on analytic geometry : especially as applied to the properties of conics : including the modern methods of abridged notation / written for the Mathematical course of Joseph Ray by George H. Howison; G.H. Howison .— : Claxton Remsen & Haffelfinger - Clark & Maynard .— 607 с. — Lang: eng .— URL: https://rucont.ru/efd/93515 (дата обращения: 11.11.2025)