Regular subclasses in the Sobolev space Wloc1,n

Moreover we prove that α-ACn(Ω,Rm)=(α-ACλn(Ω,Rm))∩(α-ACn,λ(Ω,Rm)), where α-ACn,λ(Ω,Rm) is the symmetric class of α-ACλn(Ω,Rm), 0<λ<1.