%0 Journal Article %A Yu. A. Mitropol'skii %A M. V. Shul'ga %T Asymptotic solutions of a multidimensional nonlinear wave equation %J Doklady Akademii Nauk %D 1987 %P 30-33 %V 295 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_295_1_a4/ %G ru %F DAN_1987_295_1_a4