1. Partial Differential Equations of Parabolic Type;Friedman,1964
2. Solutions of Ill-posed Problems;Tikhonov,1977
3. Improperly Posed Problems in PDE;Payne,1971
4. Integral Equation Methods in Scattering Theory;Colton,1983
5. Analytical and Numerical Methods for Volterra Equations;Linz,1985