@article{DAN_1973_208_2_a5,
     author = {A. V. Sokolov},
     title = {On coincidence of the spectrum of a family of difference operators with the kernel of this spectrum for one class of operators},
     journal = {Doklady Akademii Nauk},
     pages = {284--286},
     publisher = {mathdoc},
     volume = {208},
     number = {2},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_208_2_a5/}
}