@article{ZNSL_2009_368_a13,
     author = {S. V. Reshetov},
     title = {Minimax risk for quadratically convex sets},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {181--189},
     publisher = {mathdoc},
     volume = {368},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2009_368_a13/}
}