@article{IVM_2004_2_a7,
     author = {K. B. Sabitov and R. R. Il'yasov},
     title = {Solution of the {Tricomi} problem for an equation of mixed type with a singular coefficient by the spectral method},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {64--71},
     publisher = {mathdoc},
     number = {2},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2004_2_a7/}
}