@article{SM_1991_70_2_a9,
     author = {A. S. Belov},
     title = {A~problem of {Salem} and {Zygmund} on the smoothness of an analytic function that generated {a~Peano} curve},
     journal = {Sbornik. Mathematics},
     pages = {485--497},
     publisher = {mathdoc},
     volume = {70},
     number = {2},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1991_70_2_a9/}
}