Andrei Khrennikov, Yaroslav Volovich. Energy Levels of "Hydrogen Atom" in Discrete Time Dynamics. Open Syst. Inform. Dynam., 13(2):119-132, 2006. [doi]
@article{KhrennikovV06-0,
title = {Energy Levels of "Hydrogen Atom" in Discrete Time Dynamics},
author = {Andrei Khrennikov and Yaroslav Volovich},
year = {2006},
doi = {10.1007/s11080-006-8219-8},
url = {http://dx.doi.org/10.1007/s11080-006-8219-8},
researchr = {https://researchr.org/publication/KhrennikovV06-0},
cites = {0},
citedby = {0},
journal = {Open Syst. Inform. Dynam.},
volume = {13},
number = {2},
pages = {119-132},
}