%0 Journal Article %A Naumann, J. %A Simader, C. G. %T A second look on definition and equivalent norms of Sobolev spaces %J Mathematica Bohemica %D 1999 %P 315-328 %V 124 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.1999.126243/ %R 10.21136/MB.1999.126243 %G en %F 10_21136_MB_1999_126243