SRBA, Jirí. Visibly Pushdown Automata: From Language Equivalence to Simulation and Bisimulation. BRICS Report Series, [S. l.], v. 13, n. 13, 2006. DOI: 10.7146/brics.v13i13.21918. Disponível em: https://tidsskrift.dk/brics/article/view/21918. Acesso em: 5 dec. 2025.