@article{Themelis_Nicolaides_2001, title={Complex energies and the polyelectronic Stark problem: II. The Li n=4 levels for weak and strong fields}, volume={34}, ISSN={0953-4075}, archiveLocation={Ινστιτούτο Θεωρητικής και Φυσικής Χημείας (ΙΘΦΧ) - Επιστημονικό έργο}, url={https://hdl.handle.net/10442/6608}, DOI={10.1088/0953-4075/34/14/311}, number={14}, journal={Journal of Physics B: Atomic, Molecular and Optical Physics}, publisher={Institute of Physics Publishing}, author={Themelis, S. I. and Nicolaides, Cleanthes A.}, year={2001}, pages={2905–2925} }