MAZĖTIS, Edmundas. Structure in space of hyperplane element with special metrics. Lietuvos matematikos rinkinys, [S. l.], v. 51, n. proc. LMS, p. 63–67, 2010. DOI: 10.15388/LMR.2010.11. Disponível em: https://journals.vu.lt./LMR/article/view/17775. Acesso em: 19 apr. 2025.