Unger, P. Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
Fulde, P. Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
http://journals.aps.org/prb/pdf/10.1103/PhysRevB.49.16181 (Publisher version)
Igarashi, J., Unger, P., Hirai, K., & Fulde, P. (1994). Local approach to electron correlations in ferromagnetic nickel. Physical Review B, 49(23), 16181-16190.