Pchelintsev, Evgeny, Valeriy Pchelintsev, and Serguei Pergamenshchikov. 2018. “Non Asymptotic Sharp Oracle Inequalities for the Improved Model Selection Procedures for the Adaptive Nonparametric Signal Estimation Problem ”. Communications - Scientific Letters of the University of Zilina 20 (1), 73-77. http://journals.uniza.sk/index.php/communications/article/view/49.