@article{VMUMM_1982_1_a8,
     author = {V. V. Uspenskii},
     title = {Frequency spectrum of functional spaces},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {31--35},
     publisher = {mathdoc},
     number = {1},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1982_1_a8/}
}