@article{DAN_1977_237_1_a3,
     author = {S. M. Grudskii and V. B. Dybin},
     title = {The {Riemann} boundary value problem with discontinuities of almost periodic type in its coefficient},
     journal = {Doklady Akademii Nauk},
     pages = {21--24},
     publisher = {mathdoc},
     volume = {237},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_237_1_a3/}
}