@book{83947,
	author = {Satyanarayana, Bhavanari and Kuncham Syam Prasad},
	title = {Discrete mathematics and graph theory /},
	publisher = {PHI Learing },
	year = {2014},
	address = {New Delhi},
	edition = {2nd ed},
	note = {Includes bibliographical references and index}
}