@book{218,
	author = {Bronson, Richard.  and Bronson, Richard.},
	title = {Schaum’s outline of theory and problems of differential equations /},
	publisher = {Tata McGraw-Hill,},
	year = {c1994.[Repriented 2007] },
	address = {New York  ;},
	edition = {2nd ed. },
	note = {Updated ed. of Schaum’s outline of modern introductory differential equations. c1973. },
	url = {http://www.loc.gov/catdir/description/mh022/92041809.html }
}