yoshinaga2002formal:
  type: article
  title: A Formal Proof of Strong Equivalence for a Grammar Conversion from LTAG to HPSG-style
  author:
  - Yoshinaga, Naoki
  - Miyao, Yusuke
  - Tsujii, Jun’ichi
  date: 2002
  page-range: 187-192
  parent:
    type: proceedings
    title: Proceedings of the Sixth International Workshop on Tree Adjoining Grammar and Related Frameworks (TAG+ 6)