无穷积分的收敛问题

Convergence of Infinite Integral

本文给出了一类被积函数为正值的无穷积分收敛的条件下,当X→∞时,f(X)→0的充分条件.

This paper gives an account of the full condition of f(X)→0 when X→∞ underthe condition of infinite integral convergence of a kind of positive-valued inte-grands.