@misc{SchmidtSchaussSabel2008,
  author    = {Manfred Schmidt-Schauß and David Sabel},
  title     = {Closures of may and must convergence for contextual equivalence},
  booktitle = {Technical report Frank / Johann-Wolfgang-Goethe-Universit{\"a}t, Fachbereich Informatik und Mathematik, Institut f{\"u}r Informatik ; 35},
  number    = {12},
  url       = {http://www.ki.informatik.uni-frankfurt.de/papers/frank/frank35maymust.pdf},
  institution = {Informatik},
  series    = {Technical report Frank / Johann-Wolfgang-Goethe-Universit{\"a}t, Fachbereich Informatik und Mathematik, Institut f{\"u}r Informatik},
  number    = {35},
  type      = {workingpaper},
  pages     = {12 -- 1},
  year        = {2008},
}