@article{IVM_1981_12_a6,
     author = {B. A. Kats},
     title = {An exceptional case of the {Riemann} problem with an oscillating coefficient},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {41--50},
     publisher = {mathdoc},
     number = {12},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1981_12_a6/}
}