@article{DAN_1958_121_5_a8,
     author = {V. \`E. Lyantse},
     title = {Rings of linear unbounded operators involving resolution of identity and their representations},
     journal = {Doklady Akademii Nauk},
     pages = {801--804},
     publisher = {mathdoc},
     volume = {121},
     number = {5},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_121_5_a8/}
}