%0 Journal Article %A V. M. Babich %T The point-source of electromagnetic waves in the case of nonhomogeneous media (high-frequency ansatz and dual to him singular solution) %J Zapiski Nauchnykh Seminarov POMI %D 2018 %P 7-14 %V 471 %U http://geodesic.mathdoc.fr/item/ZNSL_2018_471_a0/ %G ru %F ZNSL_2018_471_a0