GNATENKO, K. P.; TKACHUK, V. M. Length in a Noncommutative Phase Space. Ukrainian Journal of Physics, [S. l.], v. 63, n. 2, p. 102, 2018. DOI: 10.15407/ujpe63.2.102. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018080. Acesso em: 11 aug. 2022.