00371    a2200145   4500020001500000082001500015100002000030245006000050250000800110260004200118300001900160650001800179650001600197650001200213  a0387971270  a512.7bAPO  aApostol, Tom M.  aModular functions and dirichlet series in number theory  a2nd  aNew YorkbSpringer-Verlagc1990g1990  ax, 207p.c24cm  aNUMBER THEORY  aMATHEMATICS  aALGEBRA