Tyagi, B. S. Functions of a complex variable : for B.A., B.Sc., M.A., M. Sc. and competentive examinations / B. S. Tyagi. - Meerut : Kedar Nath Ram Nath, [...?]. - 456 pages : illustrations ; 21 cm. Subjects--Topical Terms: Functions of complex variables. Dewey Class. No.: 515.9 TYA