@article{RM_1988_43_5_a10,
     author = {V. P. Burskii},
     title = {Remarks on the {Dirichlet} problem for an~ultrahyperbolic equation and integral geometry on the sphere},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {215--216},
     publisher = {mathdoc},
     volume = {43},
     number = {5},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1988_43_5_a10/}
}