@article{ZiCu94b,
  key         ={ZiCu94b},
  author      ={R. Ziller and J. Cury},
  title       ={On the Supremal {L}-controllable Sublanguage of a Non-Prefix-Closed Language},
  journal     ={Anais do 10. Congresso Brasileiro de Automática e 6. Congresso Latino-Americano de Controle Automático},
  volume      ={2},
  pages       ={260-265},
  year        ={1994},
  remark      ={rsg},
}