Collect. Czech. Chem. Commun.
1974, 39, 2877-2890
https://doi.org/10.1135/cccc19742877
Perturbation treatment of molecular ground state properties
R. Polák
Collect. Czech. Chem. Commun.
1974, 39, 2877-2890
https://doi.org/10.1135/cccc19742877