@article{ZNSL_2000_264_a5,
     author = {A. P. Katchalov},
     title = {Nonstationary electromagnetic {Gaussian} beams in nonhomogeneous anysotropic media},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {83--100},
     year = {2000},
     volume = {264},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2000_264_a5/}
}