二重积分中值定理中值点的渐近性

当积分区域D收缩于某定点(a,b)时,对二重积分正则中值点(ζ_x,η_y)的渐近性质进行了研究.;This paper discusses asymptotic quality on point of mean value for double integrals,when integral Region tends to point(a,b)