TY - BOOK AU - Bruus Henrik AU - Flensberg Karsten TI - Many-body quantum theory in condensed matter physics: an introduction SN - 978-0-19-856633-5 U1 - 530.41 PY - 2011/// CY - Oxford PB - OUP KW - Condensed matter KW - Many-body problem KW - Quantum theory ER -