Svinarenko, A., Khetselius, O. and Florko, T. 2020. Quantum Geometry: Generalized version of an energy approach in scattering theory and its application to electron-collisional excitation of multicharged ions. Proceedings of the International Geometry Center. 8, 3-4 (Feb. 2020), 86-91. DOI:https://doi.org/10.15673/tmgc.v8i3-4.1614.