@article{IVM_1981_6_a15,
     author = {A. P. Svetnoi and N. Ya. Tikhonenko},
     title = {On the separation of the singularities of solutions of the {Riemann} problem},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {78--81},
     publisher = {mathdoc},
     number = {6},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1981_6_a15/}
}