@article{IVM_2003_3_a1,
     author = {G. N. Zainullina},
     title = {The $\Delta_2$ problem for the {Euler-Poisson-Darboux} equation in the class of unbounded functions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {15--19},
     publisher = {mathdoc},
     number = {3},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2003_3_a1/}
}