On the Regularization of Projection Methods for Solving Ill-Posed Problems. R. Plato; G. Vainikko — 1990 Numerische Mathematik
The instability of some gradient methods for ill-posed problems. R. Plato; B. Eicke; A.K. Louis Numerische Mathematik
Fast solution of periodic integral equations by GMRES. Plato, R.; Vainikko, G. — 2001 Computational Methods in Applied Mathematics