@article{MZM_2020_108_6_a4,
     author = {B. P. Osilenker},
     title = {On {Potential} {Functions} {Associated} with {Eigenfunctions} of the {Discrete} {Sturm--Liouville} {Operator}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {868--881},
     publisher = {mathdoc},
     volume = {108},
     number = {6},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2020_108_6_a4/}
}