@article{DAN_1991_318_5_a0,
     author = {B. M. Bilman and G. Dzhangibekov},
     title = {Some systems of two-dimensional singular integral equations},
     journal = {Doklady Akademii Nauk},
     pages = {1033--1037},
     publisher = {mathdoc},
     volume = {318},
     number = {5},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_5_a0/}
}