This paper discusses the stability of solution of the oblique derivative problem for the nonlinear elliptic system of first order equations.

讨论了一阶非线性椭圆型方程组斜微商问题解的稳定性，这个结果是借助于有关边值问题解的先验估计而导出的。

youdao

The initial regular oblique derivative problem for nonlinear parabolic systems of several second order complex equations with measurable coefficients in a multiply connected domain is discussed.

论述了多连通区域上可测系数的二阶非线性抛物[型]方程组的初-正则斜微商问题。

youdao

This paper mainly deals with an initial-oblique derivative problem for nonlinear nondivergent parabolic systems of second order equations with measurable coefficients in a multiply connected domain.

讨论可测系数的二阶非线性非散度型抛物型方程组在多连通区域上的初-斜微商边值问题。

youdao