%0 Journal Article %A N. Ya. Kirpichnikova %T On behavior of a nonstationary wave field with a singularity (the~homogeneous generalized function) on the initial front near the caustic %J Zapiski Nauchnykh Seminarov POMI %D 1990 %P 122-133 %V 186 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1990_186_a11/ %G ru %F ZNSL_1990_186_a11