Bujalance García, EmilioEtayo Gordejuela, José JavierGamboa Mutuberria, José Manuel2023-06-212023-06-2119870706-1994https://hdl.handle.net/20.500.14352/64650Elliptic-hyperelliptic, normal, unramified, double coverings of bordered hyperelliptic Klein surfaces are considered here, using methods of the theory on non-Euclidean crystallographic groups. Complete proofs will appear elsewherejournal articlemetadata only access512.7Compact Riemann surfaces and uniformizationCoveringsFundamental groupFuchsian groups and their generalizationsGeometria algebraica1201.01 Geometría Algebraica