Angles and unit vectors of inclination for real 2-areas in Hermitian spaces over a tensor product of fields. (English) Zbl 0562.53007
Translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1984, No.7(266), 70-73 (Russian) (1984; Zbl 0548.53008).
MSC:
53A35 | Non-Euclidean differential geometry |
51M10 | Hyperbolic and elliptic geometries (general) and generalizations |