@article{IVM_1990_2_a2,
     author = {A. G. Alekhno},
     title = {A~homogeneous {Riemann} problem with a~coefficient that has a~discontinuity of the second kind},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {29--34},
     publisher = {mathdoc},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1990_2_a2/}
}