%0 Journal Article %A M. M. Popov %T Summation of space-time Gaussian beams in problems of propagation of wave packets %J Zapiski Nauchnykh Seminarov POMI %D 1987 %P 143-158 %V 165 %U http://geodesic.mathdoc.fr/item/ZNSL_1987_165_a13/ %G ru %F ZNSL_1987_165_a13