Goyal, J.K.. Functions of a complex variable / J.K. Goyal, K.P. Gupta. - 4th ed. / . - Meerut : Pragati Prakashan , 1986. - vii,491p. : figs. ; 21cm . NULL ISBN: Rs. 35.00 (PbK) Subjects--Index Terms: FUNCTIONS OF COMPLEX VARIABLES Dewey Class. No.: 515.9 / GOY/F