Planes with analogues to Euclidean angular bisectors. (English) Zbl 0299.50002
MSC:
| 51A99 | Linear incidence geometry |
| 51F99 | Metric geometry |
| 51M10 | Hyperbolic and elliptic geometries (general) and generalizations |
| 53C70 | Direct methods (\(G\)-spaces of Busemann, etc.) |
