%0 Journal Article %A Hurd, A. E. %T Boundary Regularity in the Sobolev Imbedding Theorems %J Canadian journal of mathematics %D 1966 %P 350-356 %V 18 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-037-8/ %R 10.4153/CJM-1966-037-8 %F 10_4153_CJM_1966_037_8