@article{10_4064_sm186_2_2,
     author = {Ron Kerman and Lubo\v{s} Pick},
     title = {Compactness of {Sobolev} imbeddings involving
 rearrangement-invariant norms},
     journal = {Studia Mathematica},
     pages = {127--160},
     publisher = {mathdoc},
     volume = {186},
     number = {2},
     year = {2008},
     doi = {10.4064/sm186-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm186-2-2/}
}