%0 Journal Article %A T. F. Pankratova %T Eigenfunctions of the Laplace operator on the surface of a~triaxial ellipsoid and in the region exterior to it %J Zapiski Nauchnykh Seminarov POMI %D 1968 %P 192-211 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1968_9_a9/ %G ru %F ZNSL_1968_9_a9