In this paper we prove some interesting extensions and generalizations of Enestrom- Kakeya Theorem concerning the location of the zeros of a polynomial in a com
<正>A weak type endpoint estimate for the maximal multilinear singular integral operator T_A~*f(x)=■|∫_(|x-y|>ε)(Ω(x-y)/(|x-y|~(n+1)))(A(x)-A(y)-▽A(y)(x-y)