@article{SM_2015_206_10_a1,
     author = {A. A. Vasil'eva},
     title = {Widths of {Sobolev} weight classes on a~domain with cusp},
     journal = {Sbornik. Mathematics},
     pages = {1375--1409},
     publisher = {mathdoc},
     volume = {206},
     number = {10},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2015_206_10_a1/}
}