@article{DAN_1961_138_5_a7,
     author = {V. V. Pashenkov},
     title = {The lattice of subspaces of {Hilbert} space},
     journal = {Doklady Akademii Nauk},
     pages = {1016--1019},
     publisher = {mathdoc},
     volume = {138},
     number = {5},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_138_5_a7/}
}