本文是文献工作的继续，简化并推广了文献的结果。
This paper is a continuation of work contained in reference, with results simplit'ied and generalized.
这些定理改进和推广了近期文献中的许多重要结果。
These theorems improve and generalize many important known results in recent literature.
这些定理改进，统一和推广了近期文献中许多重要结果。
These theorems improve, unify and generalize many important results in recent literature.
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