IVANOV, G.; DZHANABAEV, Z.; UMBETOV, N.; BOROVIKOV, I. SPATIAL TECHNICAL CURVES AS SMOOTH LINES OF THE ARCS NORMCURVES. Известия НАН РК. Серия физико-математическая, [S. l.], n. 2, p. 142–148, 2020. Disponível em: http://91834.libg.asia/physics-mathematics/article/view/423. Acesso em: 22 фев. 2025.