SÁROSSY, J.; SZÉKELY, V. DETERMINATION OF DISTORTION CONDITIONS BY MEANS OF DIFFERENTIAL GEOMETRIC METHODS. Periodica Polytechnica Electrical Engineering, [S. l.], v. 10, n. 4, p. 289–330, 1966. Disponível em: https://pp.bme.hu/ee/article/view/5228. Acesso em: 18 may. 2024.