TY - JOUR AU - Bujalance García, Emilio AU - Etayo Gordejuela, José Javier AU - Gamboa Mutuberria, José Manuel PY - 1987 SN - 0706-1994 UR - https://hdl.handle.net/20.500.14352/64650 T2 - Comptes Rendus Mathématiques de l'Académie des Sciences. Mathematical Reports of the Academy of Science AB - Elliptic-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 elsewhere M2 - 107 PB - Univ. Toronto Dept. Math. KW - Compact Riemann surfaces and uniformization KW - Coverings KW - Fundamental group KW - Fuchsian groups and their generalizations TI - Double coverings of hyperelliptic Klein surfaces TY - journal article VL - 19 ER -