@book{6850,
	author = {Turnbull, H. W.},
	title = {Theory of equations /},
	publisher = {Oliver and Boyd,},
	year = {1952 [reprinted 1963]},
	address = {Edinburgh :},
	edition = {5th ed.},
	note = {"This book is founded on the lecture course given in the University of St. Andrews to students reading for an ordinary degree in mathematics and to first-year honours students."--Pref.}
}