@article{10_4064_aa8588_12_2016,
     author = {Dmitry Gayfulin},
     title = {Attainable numbers and the {Lagrange} spectrum},
     journal = {Acta Arithmetica},
     pages = {185--199},
     publisher = {mathdoc},
     volume = {179},
     number = {2},
     year = {2017},
     doi = {10.4064/aa8588-12-2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa8588-12-2016/}
}