Liolios T, Grypeos M. Application of the hypervirial theorem scheme to the potential -D/cosh^2(r/R). HNPS Adv Nucl Phys [Internet]. 2020 Feb. 19 [cited 2024 May 6];4:51-8. Available from: https://eproceedings.epublishing.ekt.gr/index.php/hnps/article/view/2874