Cioslowski, Jerzy Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
https://aip.scitation.org/doi/10.1063/1.4914021 (Publisher version)
Cioslowski, J. (2015). The Coulomb, exchange, and correlation components of the electron-electron repulsion in harmonium atoms. The Journal of Chemical Physics, 142(11): 114105. doi:10.1063/1.4914021.