@article{AMBP_2007__14_2_187_0, author = {Geymonat, Giuseppe}, title = {Trace {Theorems} for {Sobolev} {Spaces} on {Lipschitz} {Domains.} {Necessary} {Conditions}}, journal = {Annales math\'ematiques Blaise Pascal}, pages = {187--197}, publisher = {Annales math\'ematiques Blaise Pascal}, volume = {14}, number = {2}, year = {2007}, doi = {10.5802/ambp.232}, zbl = {1161.46019}, mrnumber = {2369871}, language = {en}, url = {http://www.numdam.org/articles/10.5802/ambp.232/} }