RT Journal Article T1 NEC subgroups in Klein surfaces A1 Etayo Gordejuela, José Javier AB The author studies the number of fixed points of the elements of an odd order cyclic group of automorphisms of a nonorientable Klein surface by means of non-Euclidean crystallographic groups. PB Sociedad Matemática Mexicana SN 1405-213X YR 1984 FD 1984 LK https://hdl.handle.net/20.500.14352/64645 UL https://hdl.handle.net/20.500.14352/64645 DS Docta Complutense RD 10 abr 2025