%0 Journal Article %A V. P. Kurdyumov %A A. P. Khromov %A V. A. Khalova %T A mixed problem for a wave equation with a nonzero initial velocity %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2018 %P 157-171 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2018_18_2_a2/ %G ru %F ISU_2018_18_2_a2