Citation ======== If you use pCI, please acknowledge it by citing the main publication listed here: C\. Cheung, M. G. Kozlov, S. G. Porsev, M. S. Safronova, I. I. Tupitsyn, and A. I. Bondarev, pCI: A parallel configuration interaction software package for high-precision atomic structure calculations, Computer Physics Communications 308, 109463 (2025). .. code-block:: bibtex @article{2025pCI, title = {pCI: A parallel configuration interaction software package for high-precision atomic structure calculations}, journal = {Computer Physics Communications}, volume = {308}, pages = {109463}, year = {2025}, author = {Charles Cheung and Mikhail G. Kozlov and Sergey G. Porsev and Marianna S. Safronova and Ilya I. Tupitsyn and Andrey I. Bondarev}, }