%0 Journal Article %A D. Sh. Mogilevskii %T On the analytical nature of the Green function of the mixed problem for a hyperbolic equation %J Doklady Akademii Nauk %D 1971 %P 540-543 %V 199 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_199_3_a8/ %G ru %F DAN_1971_199_3_a8