TY  - DATA
AU  - G. Velo, A. S. Wightman
TI  - Invariant Wave Equations
SN  - 9783540359296
PY  - 1978///
PB  - Springer Berlin Heidelberg
KW  - Physics and Astronomy
UR  - https://doi.org/10.1007/BFb0032327
ER  -