@article{IVM_1964_2_a1,
     author = {N. I. Bakievich},
     title = {Singular {Tricomi} problems for the equation $\eta^\alpha u_{\xi\xi}+u_{\eta\eta}-\mu^2\eta^\alpha u=0$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {7--13},
     publisher = {mathdoc},
     number = {2},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1964_2_a1/}
}