@article{ZNSL_2014_431_a4,
     author = {Yu. S. Eliseeva and A. Yu. Zaitsev},
     title = {On the {Littlewood{\textendash}Offord} problem},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {72--81},
     year = {2014},
     volume = {431},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2014_431_a4/}
}