On Reducing the Number of Stack Symbols in a PDA.

Jonathan Goldstine John K. Price Detlef Wotschke On Reducing the Number of Stack Symbols in a PDA. 313-326 1993 26 Mathematical Systems Theory 4 db/journals/mst/mst26.html#GoldstinePW93 http://dx.doi.org/10.1007/BF01189852