%0 Journal Article %A A. P. Katchalov %T Space-time Gaussian beams of the electromagnetic waves %J Zapiski Nauchnykh Seminarov POMI %D 1990 %P 115-121 %V 186 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1990_186_a10/ %G ru %F ZNSL_1990_186_a10