@article{IVM_1971_3_a13,
     author = {L. I. Chibrikova},
     title = {On the solution of the {Riemann} problem in singular {cases.~I}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {101--113},
     publisher = {mathdoc},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1971_3_a13/}
}