【摘要】 该文讨论具有奇点或奇线的无界函数的广义二重积分的收敛性,指出了一道全国研究生入学考试试题的参考答案值得注意的问题。更多还原

【Abstract】 This paper discusses the convergence of improper double integrals of unbounded functions with singular points or singular lines,and points out some notable problems of a suggested answer to a question of the National Graduate Student Entrance Examination.更多还原