@article{MZM_2003_74_3_a2,
     author = {O. V. Besov},
     title = {Equivalent {Norms} in {Spaces} of {Functions} of {Fractional} {Smoothness} on {Arbitrary} {Domains}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {340--349},
     publisher = {mathdoc},
     volume = {74},
     number = {3},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2003_74_3_a2/}
}