1. Foundations of Potential Theory;Kellog,1967
2. Integral Equation Methods in Potential Theory, I;Jaswon;Proceeding of the Royal Society,1963
3. Integral Equation Methods in Potential Theory, II;Symm;Proceeding of the Royal Society,1963
4. An Integral Equation Solution of the Torsion Problem;Jaswon;Proceeding of the Royal Society,1963