@article{10_4064_aa117_1_4,
     author = {V. Beresnevich},
     title = {On a theorem of {V.} {Bernik} in the
 metric theory of {Diophantine} approximation},
     journal = {Acta Arithmetica},
     pages = {71--80},
     publisher = {mathdoc},
     volume = {117},
     number = {1},
     year = {2005},
     doi = {10.4064/aa117-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa117-1-4/}
}