Einführung in die SystemtheorieBernd Girod, Rudolf Rabenstein, Alexander K. E. Stenger · First published 1997 · Latest edition 2022Open the Tome
Signals and SystemsBernd Girod, Rudolf Rabenstein, Alexander Stenger · First published 2001Open the Tome
Methods of Intermediate Problems for EigenvaluesAlexander Weinstein and William Stenger · First published 1972Open the Tome
