@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 ``inner boundaries''},
     journal = {Algebra i analiz},
     pages = {225--251},
     publisher = {mathdoc},
     volume = {7},
     number = {5},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1995_7_5_a6/}
}