TY - JOUR AU - Montesinos Amilibia, José María PY - 1973 SN - 0373-0999 UR - https://hdl.handle.net/20.500.14352/64858 T2 - Revista Matemática Hispanoamericana AB - Let Fg denote a closed orientable surface of genus g≥1. The author proves first that Fg×S1 is not a 2-fold cyclic covering of S3 branched over a link. (The special case g=1 was established by R. H. Fox [same Rev. (4) 32 (1972), 158–166; MR0331360 (48... M2 - 32 PB - Real Sociedad Matemática Española;Consejo Superior de Investigaciones Científicas. Instituto "Jorge Juan" de Matemáticas KW - Knots TI - An infinite family of non-separable represented knots. (Spanish) TY - journal article VL - 4 ER -