@article{ZNSL_2002_285_a5,
     author = {A. P. Katchalov},
     title = {Gaussian beams for the {Maxwell} equations on a mainfold},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {58--87},
     publisher = {mathdoc},
     volume = {285},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2002_285_a5/}
}