iiLetvbesubharmonicinnifthereisx02nwithvx0supnvxthenvisconstantInparticularifv2C0nthenvx6maxnvyforallx2niiiIfv1vkaresubharmonicsoisvmaxfv1vkgProofiItisclearthatv6 ID: 137400
ii.Letvbesubharmonicin\n ifthereisx02\nwithv(x0)=sup\nv(x) thenvisconstant.Inpartic-ular ifv2C0(\n)