@article{TM_2020_311_a0,
     author = {A. I. Aptekarev and S. A. Denisov and M. L. Yattselev},
     title = {Discrete {Schr\"odinger} {Operator} on a {Tree,} {Angelesco} {Potentials,} and {Their} {Perturbations}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {5--13},
     publisher = {mathdoc},
     volume = {311},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2020_311_a0/}
}