TY - BOOK AU - Das,Tara Pasad TI - Relativistic quantum mechanics of electrons SN - 0060414987 : U1 - 537.6 PY - 1973/// CY - New York PB - Harper & Row KW - Relativistic quantum theory KW - Dirac equation KW - Electrons KW - Many-body problem N1 - Includes index ER -