%0 Journal Article %A S. Yu. Dobrokhotov %A V. E. Nazaikinskii %T Characteristics with Singularities and the~Boundary Values of~the~Asymptotic Solution of~the~Cauchy Problem for~a~Degenerate Wave Equation %J Matematičeskie zametki %D 2016 %P 710-731 %V 100 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2016_100_5_a6/ %G ru %F MZM_2016_100_5_a6