Dickson, Leonard E. 1874-1954. New first course in the theory of equations/ by Leonard Eugene Dickson. - New York: London: J. Wiley, Chapman & Hall, 1939. - ix, 185 p.: diagrs., 23 cm. ISBN: $1.75 LCCN: 39021838 Subjects--Topical Terms: Equations, Theory of. Dewey Class. No.: 512.82