Becache, EJoly, PVinoles, V2018-11-082018-11-082018-11-08201810.1090/mcom/3307https://infoscience.epfl.ch/handle/20.500.14299/150704WOS:000440340300008ON THE ANALYSIS OF PERFECTLY MATCHED LAYERS FOR A CLASS OF DISPERSIVE MEDIA AND APPLICATION TO NEGATIVE INDEX METAMATERIALStext::journal::journal article::research article