@article{AA_2020_32_2_a2,
     author = {O. L. Vinogradov},
     title = {Classes of convolutions with a singular family of kernels: {Sharp} constants for approximation by spaces of shifts},
     journal = {Algebra i analiz},
     pages = {45--84},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2020_32_2_a2/}
}