Recording the Use of Memory in Right-Boundary Grammars and Push-Down Automata.

Andrzej Ehrenfeucht Hendrik Jan Hoogeboom Grzegorz Rozenberg Recording the Use of Memory in Right-Boundary Grammars and Push-Down Automata. 203-231 1988 25 Acta Inf. 2 db/journals/acta/acta25.html#EhrenfeuchtHR88