@incollection{JEDP_1991____A11_0,
     author = {Daniel B\"attig and Jean-Claude Guillot},
     title = {The {Fermi} surface for the discretized {Maxwell} equations},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {11},
     pages = {1--6},
     publisher = {\'Ecole polytechnique},
     year = {1991},
     zbl = {0752.35071},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/item/JEDP_1991____A11_0/}
}