@article{MZM_2017_102_6_a12,
     author = {E. A. Shiryaev},
     title = {Basis {Property} of {Eigen-} and {Associated} {Functions} of an {Operator} with {Nondense} {Domain} of {Definition} in the {Example} of the {Orr{\textendash}Sommerfeld} problem},
     journal = {Matemati\v{c}eskie zametki},
     pages = {931--937},
     year = {2017},
     volume = {102},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2017_102_6_a12/}
}