Internal boundary value problems deals with the problem of determining the solution of an equation if data are given on two manifolds. One manifold is the domai

This monograph extends well-known facts to new classes of problems and works out novel approaches to the solution of these problems. It is devoted to the questi

This book consists of three major parts. The first two parts deal with general mathematical concepts and certain areas of operator theory. The third part is dev

This book deals with one of the key problems in applied mathematics, namely the investigation into and providing for solution stability in solving equations wit

This monograph is a revised and extended version of the Russian edition from 1978. It includes the general theory of linear ill-posed problems concerning e. g.