【摘要】 讨论了系数是单位圆内解析函数的二阶齐次和非齐次线性微分方程的解及其一阶导数和二阶导数与小函数之间的关系,并得到了它们之间的精确估计.更多还原

【Abstract】 This paper investigates the relation between solutions of second order homogeneous and non-homogeneous linear differential equations whose coefficients are analytic functions in the unit disc and their small functions,and obtain the precise estimate.更多还原