@article{DAN_1972_203_3_a0,
     author = {I. V. Boykov},
     title = {On the approximate solution of singular integral equations},
     journal = {Doklady Akademii Nauk},
     pages = {511--514},
     publisher = {mathdoc},
     volume = {203},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_203_3_a0/}
}