恰当方程概念的导入及齐次函数欧拉定理必要性的另一种证法和它的应用Introduction of the Concept of Exact Differential Equations and another Proof of Necessary Conditions on the Euler Theorem of Homogeneous Functions with Its Application
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理论数学 Vol.11 No.2, February 4 2021, PDF, HTML, XML DOI:10.12677/PM.2021.112025 被引量