@article{DAN_1966_169_2_a8, author = {L. A. Sakhnovich}, title = {Integral over an ellipsoid and the second {Born} approximation}, journal = {Doklady Akademii Nauk}, pages = {284--287}, publisher = {mathdoc}, volume = {169}, number = {2}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_169_2_a8/} }