Montesinos Amilibia, José María2023-06-202023-06-202008-031578-730310.1007/BF03191812https://hdl.handle.net/20.500.14352/50764This is a survey of some consequences of the fact that the fundamental group of the orbifold with singular set the Borromean link and isotropy cyclic of order 4 is a universal Kleinian groupjournal articlehttp://link.springer.com/article/10.1007%2FBF03191812http://link.springer.com/metadata only access517.956.3branched coveringcolored knotuniversal knotuniversal groupbranching setBorromean linkorbifoldhyperbolic knothyperbolic orbifoldsurveyEcuaciones diferencialesTopología1202.07 Ecuaciones en Diferencias1210 Topología