Khatamov Akhtam

Publications in Math-Net.Ru

1. Exact estimates of the best rational approximations of functions with derivative of generalized finite variation
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2021, no. 10,  71–77
2. Multidimensional analogues of direct and converse Jackson and Bernshtein theorems and their generalizations
   
   Mat. Zametki, 67:4 (2000),  608–615
3. Polynomial and rational approximation of functions of several variables with convex derivatives in the $L_p$-metric $(0<p\leqslant\infty)$
   
   Izv. RAN. Ser. Mat., 58:1 (1994),  167–181
4. Inverse theorems in the theory of rational approximations of functions of several variables
   
   Mat. Zametki, 54:2 (1993),  132–144
5. Spline approximation of functions with convex derivative
   
   Mat. Zametki, 31:6 (1982),  877–887
6. Approximation of functions with a convex derivative by means of splines
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1980, no. 4,  87–95
7. Rational approximations of convex functions
   
   Mat. Zametki, 21:3 (1977),  355–370
8. The rational approximation of convex functions of the class $\operatorname{Lip}\alpha$
   
   Mat. Zametki, 18:6 (1975),  845–854
9. On rational approximations of functions with a convex derivative
   
   Mat. Sb. (N.S.), 98(140):2(10) (1975),  268–279