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@article{IVM_1993_11_a11, author = {R. S. Khairullin}, title = {On the theory of the {Euler-Poisson-Darboux} equation}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {69--76}, publisher = {mathdoc}, number = {11}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1993_11_a11/} }
R. S. Khairullin. On the theory of the Euler-Poisson-Darboux equation. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1993), pp. 69-76. http://geodesic.mathdoc.fr/item/IVM_1993_11_a11/