In this paper a three-term recurrence formula of discrete Laguerre functions and the definition of the unstructured model are given .

本文给出离散Laguerre函数的 三 项 递 推公式和非结构模型的定义；

On the Comparison Theorem Separation Theorem and Oscillation of General Three-term Recurrence Relations

关于 三 项 递归关系的比较定理、分离定理及振动性