@article{AA_2020_32_5_a6,
     author = {N. A. Shirokov},
     title = {Inner factors of analytic functions of variable smoothness in the closed disk},
     journal = {Algebra i analiz},
     pages = {145--181},
     publisher = {mathdoc},
     volume = {32},
     number = {5},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2020_32_5_a6/}
}