TY - BOOK AU - Bargmann V AU - Wigner E P TI - Group theoretical discussion of relativistic wave equations U1 - 530.12 PY - 1948/// KW - Group theory KW - Physics KW - Quantum mechanics KW - Relativity KW - Wave equations N1 - Photo-copy from Proc. N A S, v 34, 1948, 211-223p ER -