BARRINGTON, D. A. M.; LU, C.-J.; MILTERSEN, P. B.; SKYUM, S. Searching Constant Width Mazes Captures the AC0 Hierarchy. BRICS Report Series, [S. l.], v. 4, n. 25, 1997. DOI: 10.7146/brics.v4i25.18951. Disponível em: https://tidsskrift.dk/brics/article/view/18951. Acesso em: 16 apr. 2024.