@article{AlfaroFHMS05,
  author    = {Luca de Alfaro and
               Marco Faella and
               Thomas A. Henzinger and
               Rupak Majumdar and
               Mari{\"e}lle Stoelinga},
  title     = {Model checking discounted temporal properties.},
  journal   = {Theor. Comput. Sci.},
  volume    = {345},
  number    = {1},
  year      = {2005},
  pages     = {139-170}
}