On the degree of approximation by Gauss Weierstrass integrals

Huzoor H. Khan, Govind Ram
2000 International Journal of Mathematics and Mathematical Sciences  
We obtain the degree of approximation of functions belonging to classLip(ψ(u,v);p), p>1using the Gauss Weierstrass integral of the double Fourier series off(x,y).
doi:10.1155/s0161171200002489 fatcat:3adwq3cenzaarjlc2rmkovufbe