@article{TRSPY_1984_170_a9,
     author = {I. A. Kipriyanov and L. A. Ivanov},
     title = {The {Cauchy} problem for the {Euler--Poisson--Darboux} equation in a~homogeneous symmetric {Riemann} {space.~I}},
     journal = {Informatics and Automation},
     pages = {139--147},
     publisher = {mathdoc},
     volume = {170},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1984_170_a9/}
}