@article{TVP_1992_37_3_a4,
     author = {B. T. Polyak and A. B. Tsybakov},
     title = {A {Family} of {Asymptotically} {Optimal} {Methods} for {Choosing} the {Order} of a {Projective} {Regression} {Estimate}},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {502--512},
     year = {1992},
     volume = {37},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1992_37_3_a4/}
}