@article{ZNSL_2015_434_a8,
     author = {A. N. Medvedev},
     title = {Drop of the smoothness of an outer function compared to the smoothness of its modulus, under restrictions on the size of boundary values},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {101--115},
     publisher = {mathdoc},
     volume = {434},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2015_434_a8/}
}