期刊名称:International Journal of Mathematics and Mathematical Sciences
印刷版ISSN:0161-1712
电子版ISSN:1687-0425
出版年度:2000
卷号:23
期号:9
页码:645-649
DOI:10.1155/S0161171200002489
出版社:Hindawi Publishing Corporation
摘要:
We obtain the degree of approximation of functions belonging to class 1$"> Lip ( ψ ( u , v ) ; p ) , p > 1 using the Gauss Weierstrass integral of the double Fourier series of f ( x , y ) .