@article{RM_2000_55_2_a8,
     author = {A. I. \`Esterov},
     title = {Densities of the {Betti} numbers of pre-level sets of quasi-periodic functions},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {338--339},
     publisher = {mathdoc},
     volume = {55},
     number = {2},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2000_55_2_a8/}
}