@article{RM_1971_26_3_a14,
     author = {V. K. Rogov},
     title = {Eigenfunctions of the {Beltrami{\textendash}Laplace} operator on hyperbo},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1971},
     volume = {26},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1971_26_3_a14/}
}