@article{ZNSL_2015_434_a0,
     author = {A. B. Aleksandrov},
     title = {Commutator {Lipschitz} functions and analytic},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--18},
     year = {2015},
     volume = {434},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2015_434_a0/}
}