@unpublished{SchroheSeiler2008,
  author  = {Elmar Schrohe and J{\"o}rg Seiler},
  title   = {The resolvent of closed extensions of cone differential operators},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprint},
  number    = {(2002) 19},
  year    = {2008},
}