KRIŠČIŪNAITĖ, A. On the theory of hypersurfaces in some B-spaces of hyperbolic type. Lithuanian Mathematical Journal, [S. l.], v. 12, n. 1, p. 145–154, 1972. DOI: 10.15388/LMJ.1972.21087. Disponível em: https://journals.vu.lt./LMJ/article/view/21087. Acesso em: 27 apr. 2025.