ZABASHTA, V. Formalization of technological processes based on non-Euclidean geometries: spherical and Riemann geometry. Mechanics and Advanced Technologies, Kyiv, Ukraine, v. 9, n. 2(105), p. 238–253, 2025. DOI: 10.20535/2521-1943.2025.9.2(105).325989. Disponível em: https://journal.mmi.kpi.ua/article/view/325989. Acesso em: 5 dec. 2025.