Construct Pushdown Automata for given languages - GeeksforGeeks
1 Chapter Pushdown Automata. 2 Section 12.2 Pushdown Automata A pushdown automaton (PDA) is a finite automaton with a stack that has stack operations. - ppt download
pushdown automaton - how to figure out what language a PDA recognizes - Stack Overflow
context free grammar - What language does this Pushdown Automata (PDA) accept? - Stack Overflow