Churchill, Ruel V. Complex variables and applications / Ruel V. Churchill. - New York, McGraw-Hill, 1960. - 297 p. : ill ; 24 cm. Includes index. LCCN: 59015046 Subjects--Topical Terms: Functions of complex variables.complex variables. LC Class. No.: QA331 / .C524 1960 Dewey Class. No.: 515.9 / CHU