@article{DAN_1965_160_3_a5,
     author = {V. A. Il'in},
     title = {The classical formulation of the problem of the localization principle for {Fourier} series of eigenfunctions in higher-dimensional regions},
     journal = {Doklady Akademii Nauk},
     pages = {523--526},
     publisher = {mathdoc},
     volume = {160},
     number = {3},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_160_3_a5/}
}