@article{MZM_1997_62_5_a17,
     author = {V. P. Maslov},
     title = {On basis elements in idempotent subspaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {796--797},
     publisher = {mathdoc},
     volume = {62},
     number = {5},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1997_62_5_a17/}
}