Precisely Predictable Dirac ObservablesHeinz Otto Cordes · First published 2006 · Latest edition 2007Open the Tome
Spectral Theory of Linear Differential Operators and Comparison AlgebrasHeinz Otto Cordes · First published 1987Open the Tome
Lineare DifferentialoperatorenM. A. Neumark, Heinz Otto Cordes, Fritz Rühs · First published 1961Open the Tome
