1. A natural orbital functional based on an explicit approach of the two‐electron cumulant. Issue 5 (23rd February 2012) Authors: Piris, M.; Gidopoulos, Nikitas I.; Theophilou, Andreas K. Journal: International journal of quantum chemistry Issue: Volume 113:Issue 5(2013:Mar. 05) Page Start: 620 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗