@inproceedings{Hense1991,
  author    = {Andreas V. Hense},
  title     = {Wrapper semantics of an object-oriented programming language with state},
  series = {Ito, Meyer (Eds.): Theoretical Aspects of Computer Software. International Conference TACS '91 Sendai, Japan, September 24–27, 1991 Proceedings. Lecture Notes in Computer Science, Vol. 526},
  publisher = {Springer},
  isbn      = {978-3-540-54415-9},
  doi       = {10.1007/3-540-54415-1\_64},
  pages     = {548 -- 568},
  year      = {1991},
  language  = {en}
}