A bottom-up characterization of deterministic top-down tree transducers with regular look-ahead.

Zoltán Fülöp Armin Kühnemann Heiko Vogler A bottom-up characterization of deterministic top-down tree transducers with regular look-ahead. 57-67 2004 91 Inf. Process. Lett. 2 http://dx.doi.org/10.1016/j.ipl.2004.03.014 db/journals/ipl/ipl91.html#FulopKV04