TY - BOOK ID - 138878792 TI - Lorentz group : lectures delivered at the Summer Institute for Theoretical Phyiscs. AU - Brittin, Wesley E. AU - Barut, Asim O. PY - 1965 PB - Boulder University of Colorado DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:138878792 AB - ER -