Green, S. L. The theory and use of the complex variable; an introduction. - 2d ed. - London: Pitman, 1948. - viii, 136 p.: diagrs., 22 cm. "Suggestions for further reading": p. 134. LCCN: 49023826 //r86 Subjects--Topical Terms: Functions of complex variables. Dewey Class. No.: 515.9 / G798t