Flach, S. Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
Malek, J., Drechsler, S., Flach, S., Jeckelmann, E., & Kladko, K. (2003). On the correlation effect in Peierls-Hubbard chains. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 72(9), 2277-2281. doi:10.1143/JPSJ.72.2277.