@article{VMUMM_1986_2_a19,
     author = {A. V. Savin},
     title = {Almost-periodic {Dirac} operators with nowhere-dense spectrum},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {89--91},
     year = {1986},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1986_2_a19/}
}