%0 Journal Article %A M. V. Fedoryuk %T Diffraction of waves by a tri-axial ellipsoid %J Differencialʹnye uravneniâ %D 1989 %P 1990-1995 %V 25 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_11_a21/ %G ru %F DE_1989_25_11_a21