00246nam a2200109 a 450000500170000008200200001710000210003724500240005825000120008226000210009430000210011520251203090945.0  a515.7,bDD, Tit  aTitchmarsh, E.C.  aTheory of functions  a2nd ed.  aDelhibOUPc1987  ax, 452p., 22 cm.