@article{DAN_1986_288_3_a11,
     author = {Z. V. Shonia},
     title = {On summability by {Riesz} means of spectral expansions in eigenfunctions of the {Schr\"odinger} operator},
     journal = {Doklady Akademii Nauk},
     pages = {563--566},
     publisher = {mathdoc},
     volume = {288},
     number = {3},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_288_3_a11/}
}