@article{IVM_1969_12_a3,
     author = {G. P. Gubanov},
     title = {The accuracy of the representation of continuous periodic functions of two variables by singular integrals},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {25--33},
     publisher = {mathdoc},
     number = {12},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1969_12_a3/}
}