@article{ZNSL_1990_184_a20,
     author = {A. L. Ruchin},
     title = {Admissible polinomial estimatore for quadratic polinomial of normal parameters},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {234--247},
     publisher = {mathdoc},
     volume = {184},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1990_184_a20/}
}