In order to study the approximation by reciprocals of polynomials with real coefficients, one always assumes that the ap......

对任意定义在[0,1]上的非负连续函数f（x）（f≠0）,该文证得：存在一个正系数多项式Pn（x）∈Πn（＋）,使得其中An（x）=（x（1-x））＋（1/2）＋1/n,（1/2）,0≤λ≤1,而Π_n（＋）......