Goyal, J.K.. Fourier series and fourier transforms and their applications / J.K.Goal & K.P.Gupta. - 3rd ed / . - Meerut : Pragati Prakashan , 1995. - 110p. : ills ; 21cm. . NULL ISBN: NULL (Pkb) Subjects--Index Terms: FOURIER TRANSFORMATION Dewey Class. No.: 515.723 / GOY/F