@book{4205,
	author = {Gupta, Keshava Prasad.},
	title = {Linear algebra /},
	publisher = {Pragati Prakashan,},
	year = {1972 [reprinted 2003].},
	address = {Delhi :},
	edition = {9th ed.},
	note = {For the honours and post graduate classes and comprtitive examinations like I. A. S. and P. C. S.}
}