KÖRPINAR, T.; DEMIRKOL, R. C. Curvature and torsion dependent energy of elastica and nonelastica for a lightlike curve in the Minkowski space. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 72, n. 8, p. 1095–1105, 2020. DOI: 10.37863/umzh.v72i8.847. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/847. Acesso em: 9 dec. 2025.