@article{JETPL.112.107,
    title = {Ground State of a Quantum Particle in a Potential Field},
    author = {Dyugaev, A. M. and Grigoriev, P. D.},
    journal = {JETP Lett.},
    volume = {112},
    issue = {2},
    pages = {101},
    year = {2020},
    doi = {10.1134/S002136402014009X},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567820140074},
    note = {[Pisma v ZhETF 112, 107 (2020)]}
}