@article{MZM_2023_114_5_a11,
     author = {V. S. Budyka and M. M. Malamud and I. L. Pokrovski},
     title = {Deficiency {Indices} of {Block} {Jacobi} {Matrices} {That} {Do} {Not} {Satisfy} the {Carleman} {Condition,} and {Operators} with {Point} {Interactions}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {789--795},
     publisher = {mathdoc},
     volume = {114},
     number = {5},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2023_114_5_a11/}
}