Why does electron sharing lead to covalent bonding? A variational analysis

Klaus Ruedenberg, Michael W. Schmidt. Why does electron sharing lead to covalent bonding? A variational analysis. Journal of Computational Chemistry, 28(14):2389, 2007. [doi]

@article{RuedenbergS07a,
  title = {Why does electron sharing lead to covalent bonding? A variational analysis},
  author = {Klaus Ruedenberg and Michael W. Schmidt},
  year = {2007},
  doi = {10.1002/jcc.20762},
  url = {http://dx.doi.org/10.1002/jcc.20762},
  tags = {analysis},
  researchr = {https://researchr.org/publication/RuedenbergS07a},
  cites = {0},
  citedby = {0},
  journal = {Journal of Computational Chemistry},
  volume = {28},
  number = {14},
  pages = {2389},
}