@article{10_4064_sm_140_2_141_162,
     author = {V. S. Rychkov},
     title = {Linear extension operators for restrictions of function spaces to irregular open sets},
     journal = {Studia Mathematica},
     pages = {141--162},
     publisher = {mathdoc},
     volume = {140},
     number = {2},
     year = {2000},
     doi = {10.4064/sm-140-2-141-162},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-140-2-141-162/}
}