@article{KUKZ_1987_23_23_a26,
     author = {R. S. Khairullin},
     title = {A boundary value problem for the {Euler--Poisson--Darboux} equation with strong degeneration},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {231--238},
     publisher = {mathdoc},
     volume = {23},
     number = {23},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1987_23_23_a26/}
}