Free Download Foundations of mathematical optimization. Convex a… By Diethard Pallaschke, Stefan Rolewicz Publisher Springer 1997 ISBN 9048148006,978-90-481-4800-4,978-94-017-1588-1..
Free Download Functional analysis and control theory: linear sys… By Stefan Rolewicz Publisher Springer 1987 ISBN 9048184231,978-90-481-8423-1,978-94-015-7758-8..