@article{SM_1990_67_2_a6,
     author = {A. P. Petukhov},
     title = {On the dependence of the properties of the set of points of discontinuity},
     journal = {Sbornik. Mathematics},
     pages = {427--447},
     year = {1990},
     volume = {67},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1990_67_2_a6/}
}