TY  - DATA
AU  - Manfred Schaaf
TI  - The Reduction of the Product of Two Irreducible Unitary Representations of the Proper Orthochronous Quantummechanical Poincaré Group
SN  - 9783540363958
PY  - 1970///
PB  - Springer Berlin Heidelberg
KW  - Physics and Astronomy
UR  - https://doi.org/10.1007/BFb0107302
ER  -