@article{BUMI_2011_9_4_1_a4,
     author = {Angeloni, Laura},
     title = {A {Characterization} of a {Modulus} of {Smoothness} in {Multidimensional} {Setting}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {79--108},
     publisher = {mathdoc},
     volume = {Ser. 9, 4},
     number = {1},
     year = {2011},
     zbl = {1237.26011},
     mrnumber = {2797467},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2011_9_4_1_a4/}
}