%0 Journal Article %A L. A. Sakhnovich %T Integral over an ellipsoid and the second Born approximation %J Doklady Akademii Nauk %D 1966 %P 284-287 %V 169 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_169_2_a8/ %G ru %F DAN_1966_169_2_a8