%0 Journal Article %A V. I. Il'ichev %A Yu. V. Khokha %T A sound fiedl of the radiating area of finite dimensions, moving at an alternating sibsonic speed %J Doklady Akademii Nauk %D 1986 %P 95-99 %V 286 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_286_1_a22/ %G ru %F DAN_1986_286_1_a22