论文信息 - Approximation of classes of periodic functions of several variables by nuclear operators - 字舞流文

Approximation of classes of periodic functions of several variables by nuclear operators

[1] Din' Zung. APPROXIMATION BY TRIGONOMETRIC POLYNOMIALS OF FUNCTIONS OF SEVERAL VARIABLES ON THE TORUS , 1988 .

[2] É. M. Galeev. Approximation by Fourier sums of classes of functions with several bounded derivatives , 1978 .

[3] Din' Zung. Approximation of classes of smooth functions of several variables , 1986 .

[4] V. N. Temli︠a︡kov. Approximation of functions with bounded mixed derivative , 1989 .