@article{FAA_1995_29_1_a7,
     author = {V. N. Karpushkin},
     title = {Multiplicities of {Singularities} of {Eigenfunctions} for the {Laplace--Beltrami} {Operator}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {80--82},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1995_29_1_a7/}
}