@book{28396,
	author = {RAO, K. SANKARA,  },
	title = {INTRODUCTION TO PARTIAL DIFFERENTIAL EQUATIONS},
	publisher = {PHI LEARNING AND PRIVATE LIMITED},
	year = {2017.},
	address = {NEW DELHI},
	edition = {3RD.},
	note = {GUWAHATI BOOK FAIR, 2017}
}