@article{DAN_1976_227_3_a3,
     author = {B. G. Gabdulkhaev},
     title = {Quadrature formulas with multiple nodes for singular integrals},
     journal = {Doklady Akademii Nauk},
     pages = {531--534},
     publisher = {mathdoc},
     volume = {227},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_227_3_a3/}
}