Petrushev Pencho P

Publications in Math-Net.Ru

1. Multivariate trigonometric polynomial approximations with frequencies from the hyperbolic cross
   
   Mat. Zametki, 56:3 (1994),  36–63
2. Generalization of the Dini–Lipschitz test for uniform convergence of Fourier series
   
   Mat. Zametki, 25:4 (1979),  557–568
3. Uniform rational approximations of functions of class $V_r$
   
   Mat. Sb. (N.S.), 108(150):3 (1979),  418–432
4. The exact order of the best approximation to convex functions by rational functions
   
   Mat. Sb. (N.S.), 103(145):2(6) (1977),  285–292