@article{ZNSL_1980_98_a8,
     author = {Yu. A. Koshevnik and B. Ya. Levit},
     title = {The boundaries of risk in the problem of estimation of symmetrical distributions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {98--114},
     publisher = {mathdoc},
     volume = {98},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1980_98_a8/}
}