@article{MZM_2020_108_3_a10,
     author = {V. S. Budyka and M. M. Malamud},
     title = {Self-Adjointness and {Discreteness} of the {Spectrum} of {Block} {Jacobi} {Matrices}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {457--462},
     publisher = {mathdoc},
     volume = {108},
     number = {3},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2020_108_3_a10/}
}