SOROUR, Adel H. A study of the inextensible flows of tube-like surfaces associated with focal curves in Galilean 3-space G₃. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 62, n. 3, p. 341–352, 2017. DOI: 10.24193/subbmath.2017.3.07. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1841. Acesso em: 5 feb. 2025.