@article{ZNSL_2010_383_a3,
     author = {V. N. Dubinin},
     title = {Geometric versions of {Schwarz} lemma and symmetrization},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {63--76},
     publisher = {mathdoc},
     volume = {383},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2010_383_a3/}
}