@article{AA_2020_32_2_a6,
     author = {A. Yu. Ulitskaya},
     title = {Sharp estimates for mean square approximations of classes of periodic convolutions by spaces of shifts},
     journal = {Algebra i analiz},
     pages = {201--228},
     year = {2020},
     volume = {32},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2020_32_2_a6/}
}