TY - GEN AU - Davidson,Ernest R. TI - Reduced density matrices in quantum chemistry T2 - Theoretical chemistry : a series of monographs SN - 012205850X U1 - 541.28 22 PY - 1976/// CY - New York : PB - Academic Press KW - Quantum chemistry KW - BUEsh KW - Density matrices KW - Reading book N1 - Includes bibliographical references and index ER -