References
Yu. A. Aminov, “On surfaces inE 4 with Gaussian torsion of constant signs”,Ukr. Geom. Sb.,31, 3–14 (1988).
E. Cartan,Riemann Geometry in Orthogonal Frame [Russian translation], Izd. Mosk. Univ., Moscow (1960).
Additional information
The Physics Technical Institute of Lower Temperatures, Ukrainian Academy of Sciences. Translated from Matematicheskie Zametki, Vol. 56, No. 6, pp. 3–9, December, 1994.
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Aminov, Y.A. Surfaces inE 4 with a Gaussian curvature coinciding with a Gaussian torsion up to the sign. Math Notes 56, 1211–1215 (1994). https://doi.org/10.1007/BF02266688
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DOI: https://doi.org/10.1007/BF02266688