@article{10_4153_CJM_1978_018_8,
     author = {Adams, R. A. and Fournier, J. J. F.},
     title = {Real {Interpolation} of {Sobolev} {Spaces} on {Subdomains} of {Rn}},
     journal = {Canadian journal of mathematics},
     pages = {190--214},
     year = {1978},
     volume = {30},
     number = {1},
     doi = {10.4153/CJM-1978-018-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-018-8/}
}