文件名称：一类广义Schrodinger型非线性高阶方程组 (1983年)
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更新时间：2024-06-15 18:55:23
自然科学 论文
In this paper we consider a class of semilinear systems of partial differential equations of higher order which contain a class of,the nonlinear Schrodinger equations,where the matrix A (t) is nonsingular,nonnegative definite and f (u) satisfy the conditi