An introduction to the modern theory of equations / Florian Cajori ... Cajori, Florian, 1859-1930. Equations, Theory of. Group theory. QA211 .C13 512.3 CAI 1969 ed. published under title: An introduction to the theory of equations. New York, London, The Macmillan company, 1904. 1904. 1904 Text ix, 239 p. eng