Budden, F. J. Complex numbers and their applications / by F. J. Budden. - Harlow : Longmans, 1968. - xi, 243 p. : illus. 20 cm. - Mathematical topics . With answers. Includes index. ISBN: 0582317576 Subjects--Topical Terms: Numbers, Complex. Dewey Class. No.: 512.81 / BUC 1968