@article{IVM_1967_5_a9,
     author = {H. M. Nadzafov},
     title = {The second {Cauchy--Goursat} problem for an equation of {Tricomi} type with discontinuous coefficients on a~portion of the boundary of its region},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {72--78},
     publisher = {mathdoc},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1967_5_a9/}
}