@article{MT_1993_20_a5,
     author = {S. V. Nagaev and V. I. Chebotarev},
     title = {On the {Edgeworth} expansion in a {Hilbert} space},
     journal = {Matemati\v{c}eskie trudy},
     pages = {170--203},
     publisher = {mathdoc},
     volume = {20},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_1993_20_a5/}
}