@book{8841,
	author = {Ghosh, Ram Krishna. and Maity, Kantish Chandra.},
	title = {An introduction to analysis differential calculus part 1 /},
	publisher = {New Central Book Agency ,},
	year = {c2001.[reprinted 2008, 2007, 2006, 2004, 2003, 2002]},
	address = {India :},
	edition = {9th ed}
}