@book{61402,
	author = {Johnson, R. M. and Johnson, R. M.},
	title = {Linear differential and difference equations :},
	publisher = {Albion Pub,},
	year = {1997},
	series = {Albion mathematics & applications series},
	address = {Chichester. :},
	note = {Rev. ed. of: Theory and applications of linear differential and difference equations. 1984},
	url = {http://www.loc.gov/catdir/enhancements/fy1013/97178115-t.html}
}