1. The scattering cross-section of an obstacle in an elastic solid for plane harmonic waves;Barratt,1965
2. Some inequalities for vector functions with applications in elasticity;Bramble;Arch. Rational Mech. Anal.,1962
3. Vector and Tensor Analysis;Brand,1947
4. Integral Equation Methods in Scattering Theory;Colton,1983
5. Methods of Mathematical Physics, I, II;Courant,1953