@book{2080,
	author = {Hopcroft, John E. and Motwani, Rajeev},
	title = {Introduction to automata theory, languages, and computation / },
	publisher = {Pearson,},
	year = {c2016-2017.},
	address = {New Delhi:},
	edition = {3rd ed.},
	note = {Includes index.}
}