@article{SM_2011_202_5_a1,
     author = {V. N. Dubinin},
     title = {Boundary values of the {Schwarzian} derivative of a~regular function},
     journal = {Sbornik. Mathematics},
     pages = {649--663},
     year = {2011},
     volume = {202},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2011_202_5_a1/}
}