@article{AA_1995_7_5_a6, author = {N. B. Tabanov}, title = {A~new trigonometric form of ellipsoidal coordinates and the splitting of the eigenvalues of the {Laplace} operator in an ellipsoid with {\textquotedblleft}inner boundaries{\textquotedblright}}, journal = {Algebra i analiz}, pages = {225--251}, year = {1995}, volume = {7}, number = {5}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AA_1995_7_5_a6/} }