The book "Introduction to Automata Theory and Formal Languages" by Adesh K Pandey is available in PDF format, and can be downloaded from various online sources. However, I recommend verifying the authenticity and legitimacy of the source to ensure that you obtain a valid and virus-free copy.
: Covers CFG simplification, normal forms (Chomsky and Greibach), and the behavior of PDAs. The book "Introduction to Automata Theory and Formal
Below is an overview paper summarizing the core themes and structure of the work. normal forms (Chomsky and Greibach)