@book{30437,
	author = {Madan, Shobha},
	title = {Mathematics I:},
	publisher = {Indian Insitiute of Technology},
	address = {NDEF},
	url = {http://video.snu.edu.in/index.php?id=4626&cat=Basic courses(Sem 1 and 2)&course=Mathematics I&url=Phase1_Video/122104017/lec08.mp4}
}