@article{ZNSL_1985_148_a10,
     author = {Ya. V. Kurylev},
     title = {{\textquotedblleft}Quasiphoton{\textquotedblright} {In} active media},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {104--115},
     year = {1985},
     volume = {148},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1985_148_a10/}
}