Koshelev Anton Alexandrovich

Publications in Math-Net.Ru

1. The Landau–Kolmogorov problem for the Laplace operator on a ball
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2016, no. 2,  31–39
2. The best approximation of Laplace operator by linear bounded operators in the space $L_p$
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2011, no. 6,  63–74
3. The best $L_p$ approximation of the Laplace operator by linear bounded operators in the classes of functions of two and three variables
   
   Trudy Inst. Mat. i Mekh. UrO RAN, 17:3 (2011),  217–224