A NOTE ON DERIVATIVES OF FUNCTION AND THEIR FOURIER TRANSFORMS IN L_2

The purpose of this article is to indicate the shortcomings of a few theorems of[1].Moreover.some interesting results are deduced.     

关于L2内函数的导数及其Fourier变式的注记

本文修补了[1]中苦干定理的漏洞,并且得到了一些有益的新结果,例如定理4等.     

A note on derivatives of function and their fourier transforms in L2

The purpose of this article is to indicate the shortcomings of a few theorems of [1]. Moreover, some interesting results are deduced.