论文信息 - The Green Function for $\displaystyle\sum_{n-1}^3 {\Bigr( i \frac{\partial}{\partial x_n} - b_n \Bigr)}^2 u = \lambda u$ in the Exterior Domain and Its Application to the Eigenfunction Expansion - 字舞流文

The Green Function for $\displaystyle\sum_{n-1}^3 {\Bigr( i \frac{\partial}{\partial x_n} - b_n \Bigr)}^2 u = \lambda u$ in the Exterior Domain and Its Application to the Eigenfunction Expansion