%0 Journal Article %A N. I. Alexandrova %T Diffraction of a longitudinal wave by a rigid elliptical cylinder %J Doklady Akademii Nauk %D 1991 %P 857-861 %V 318 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_318_4_a20/ %G ru %F DAN_1991_318_4_a20