1. Boundary-value problems for elliptic equations;Calderón,1963
2. Review lecture: Anti-sound;Ffowcs Williams;Proc. R. Soc. Lond. Ser. A Math. Phys. Eng. Sci.,1984
3. Active Control of Vibration;Fuller,1996
4. Classical Theory of Electric and Magnetic Fields;Good,1971
5. Non-Homogeneous Boundary Value Problems and Applications;Lions,1972