@article{MV_1979_31_1_a14,
     author = {M. Tomi\v{c}},
     title = {O probleme nasyshchenia dlya pribli\v{z}enia uglom singularnymi integralami},
     journal = {Matemati\v{c}ki vesnik},
     pages = {89 },
     year = {1979},
     volume = {31},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/MV_1979_31_1_a14/}
}