%0 Journal Article %A K. K. Lavrent'ev %T Problem of the scattering of nonstationary waves by a one-dimensional obstacle %J Zapiski Nauchnykh Seminarov POMI %D 1978 %P 134-137 %V 78 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1978_78_a9/ %G ru %F ZNSL_1978_78_a9