Pyzh’yanova, A. N. Hyperbolic families of planes in the five-dimensional projective space \((L^3_2)_2\). (English. Russian original) Zbl 1173.53304 Russ. Math. 50, No. 1, 51-54 (2006); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2006, No. 1, 53-56 (2006). MSC: 53A20 PDF BibTeX XML Cite \textit{A. N. Pyzh'yanova}, Russ. Math. 50, No. 1, 51--54 (2006; Zbl 1173.53304); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2006, No. 1, 53--56 (2006) OpenURL
Kehayopulu, Niovi; Tsingelis, Michael A note on semi-pseudoorders in semigroups. (English) Zbl 1041.06006 Lobachevskii J. Math. 13, 51-55 (2003). Reviewer: H. Mitsch (Wien) MSC: 06F05 20M10 PDF BibTeX XML Cite \textit{N. Kehayopulu} and \textit{M. Tsingelis}, Lobachevskii J. Math. 13, 51--55 (2003; Zbl 1041.06006) Full Text: EuDML EMIS OpenURL
Kehayopulu, N.; Tsingelis, M. A note on pseudocongruences in semigroups. (English) Zbl 1015.06016 Lobachevskii J. Math. 11, 19-21 (2002). MSC: 06F05 PDF BibTeX XML Cite \textit{N. Kehayopulu} and \textit{M. Tsingelis}, Lobachevskii J. Math. 11, 19--21 (2002; Zbl 1015.06016) Full Text: EuDML EMIS OpenURL
Musin, A. T. On the metric geometry of straight line pseudocongruences of a flag space. (Russian) Zbl 0706.53010 Izv. Akad. Nauk Kaz. SSR, Ser. Fiz.-Mat. 1990, No. 3(154), 27-30 (1990). Reviewer: J.Vala MSC: 53A25 PDF BibTeX XML Cite \textit{A. T. Musin}, Izv. Akad. Nauk Kaz. SSR, Ser. Fiz.-Mat. 1990, No. 3(154), 27--30 (1990; Zbl 0706.53010) OpenURL
Yukhtina, T. I. Real two-surfaces in Hermitian elliptic spaces over quaternions and antiquaternions. (Russian) Zbl 0655.53012 Geometry of imbedded manifolds, Interuniv. Collect. Sci. Works, 117-123 (1986). Reviewer: Z.Jankovský MSC: 53A35 PDF BibTeX XML OpenURL
Virovere, T. On the evolutes of a surface \(M_ 2\) with flat normal connection in \(E_ 5\). (Russian. English summary) Zbl 0619.53004 Uch. Zap. Tartu. Gos. Univ. 734, 3-19 (1986). Reviewer: Z.Olszak MSC: 53A07 PDF BibTeX XML OpenURL