The special solution formula of a third order ordinary differential equation 一类三阶常微分方程的特解公式
2.
The new method of solving special integral of n order linear inhomogeneous differential equation with constant coefficients 阶常系数线性一般非齐次微分方程特解公式
3.
The specified solution formula derivation of second order non - homogeneous linear differential equation with constant coefficients 二阶常系数非齐次线性微分方程特解公式的推导