Spatial electron transitions in a hydrogen-like atom with photon emission. (English. Russian original) Zbl 1495.81103
Russ. Phys. J. 64, No. 7, 1328-1336 (2021); translation from Izv. Vyssh. Uchebn. Zaved., Fiz. 64, No. 7, 132-139 (2021).