1. V. A. Korotkij, Shaping lines and surfaces based on second-order curves in computer geometric modeling (Descriptive Geometry), Ph.D. thesis, NNGASU, Nizhny Novgorod, 2018 .
2. V. A. Peklich, Mnimaya nachertatel'naya geometriya, Association of construction universities Publ., Moscow, 2007.
3. N. F. Chetverukhin, Proektivnaja geometrija, Prosveshenie Publ., Moskow, 1953.
4. A. G. Hirsh, Nagljadnaja mnimaja geometrija, Maska Publ., Moskow, 2008.
5. D. V. Voloshinov, Konstruktivnoe geometricheskoe modelirovanie. Teorija, praktika, avtomatizacija, Saarbrücken: Lambert Academic Publ., 2010.