@article{AFM_2010_35_1_a18,
     author = {Pekka Koskela and Dachun Yang and Yuan Zhou},
     title = {A {Jordan} {Sobolev} extension domain},
     journal = {Annales Fennici Mathematici},
     pages = {309--320},
     publisher = {mathdoc},
     volume = {35},
     number = {1},
     year = {2010},
     doi = {10.5186/aasfm.2010.3519},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2010.3519/}
}