@article{SM_2007_198_6_a1,
     author = {A. S. Belov and S. A. Telyakovskii},
     title = {Refinement of the {Dirichlet--Jordan} and {Young's
}},
     journal = {Sbornik. Mathematics},
     pages = {777--791},
     publisher = {mathdoc},
     volume = {198},
     number = {6},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2007_198_6_a1/}
}