00293nam a2200121Ia 4500082001900000100001800019245008400037250000800121260002600129300000600155500000500161700000500166  a515.1bH684.TF  aHobson, E. W.  aThe theory of functions of a real variable and the theory of fourier's seriesb  a3rd  aNew YorkbDoverc1957  a   a  a