This volume is devoted to some topical problems and various applications of operator theory and i...

The 2-volume book is an updated, reorganized and considerably enlarged version of the previous ed...

The 2-volume-book is an updated, reorganized and considerably enlarged version of the previous ed...

The present book is a collection of variations on a theme which can be summed up as follows: It i...

This volume is devoted to some topical problems and various applications of operator theory and i...