@article{IVM_1989_3_a9,
     author = {R. M. Rzaev},
     title = {Approximation of essentially continuous functions by singular integrals},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {57--62},
     publisher = {mathdoc},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1989_3_a9/}
}