PDF(124 KB)
一类一阶非线性微分方程封闭可积条件的统一和推广
冯录祥,
PDF(124 KB)
PDF(124 KB)
一类一阶非线性微分方程封闭可积条件的统一和推广
The Generalization and Unification About Closed Integrability Conditions of First Order Nonlinear Diffrential Equation of the 1st Kind
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