| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Reduction of the Product of Two Irreducible Unitary Representations of the Proper Orthochronous Quantummechanical Poincare Group | 978-O-387-O5194-9 (O-387-O5194-5) | 1970 |
M S. · Manfred Schaaf · Manfred / Schaaf, Ulrich / Trapp, Tobias Gerner · Margery Craig Schaaf · Margery Schaaf · Margret Scholl-Schaaf · Marike van der Schaaf · Martha E. Schaaf · Martin Schaaf · Matthew Schaaf · Michael Schaaf · Mr. Larry J. Schaaf · V. Mylo Schaaf