515.8 HOBSON, E . W . (THE) THEORY OF FUNCTIONS OF A REAL VARIABLE & THE THERORY OF FOURIER`S SERIES / / E . W . HOBSON. - 2nd ed. - NEW YORK: : DOVAR PUB.,, 1926 ( 1957 rpt ). 2 vols.. Content notes : V.2. x , 780 P. * REAL VARIABLES.