TY - BOOK AU - Bruus, Henrik AU - Flensberg, Karsten TI - Many-body quantum theory in condensed matter physics: an introduction T2 - Oxford graduate texts SN - 978-0-19-856633-5 PY - 2006/// CY - Oxford PB - Oxford University Press KW - Condensed matter KW - Many-body problems KW - Quantum theory ER -