@article{ZNSL_1983_127_a9,
     author = {Yu. G. Safarov},
     title = {The asymptotic of spectrum of the {Maxwell's} operator.},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {169--180},
     publisher = {mathdoc},
     volume = {127},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1983_127_a9/}
}