@article{IVM_1979_12_a10,
     author = {B. G. Gabdulkhaev and R. N. Sharipov},
     title = {Optimization of quadrature formulas with multiple nodes for singular integrals},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {62--66},
     publisher = {mathdoc},
     number = {12},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1979_12_a10/}
}