@article{KUKZ_1978_15_15_a18,
     author = {L. I. Chibrikova},
     title = {On a singular case of the {Riemann} problem on a nonbounded {contour.~I}},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {139--167},
     publisher = {mathdoc},
     volume = {15},
     number = {15},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1978_15_15_a18/}
}