@article{SM_2017_208_3_a5,
     author = {O. V. Ivrii and I. R. Kayumov},
     title = {Makarov's principle for the {Bloch} unit ball},
     journal = {Sbornik. Mathematics},
     pages = {399--412},
     publisher = {mathdoc},
     volume = {208},
     number = {3},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2017_208_3_a5/}
}