@article{ZNSL_1984_136_a6,
     author = {Yu. A. Koshevnik},
     title = {On asymptotic properties of nonparametric estimators of characteristic function},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {97--112},
     publisher = {mathdoc},
     volume = {136},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1984_136_a6/}
}