00453nam a22001577a 450000500170000002000180001710000190003524500440005426000400009830000110013849000360014950000430018565000250022865000220025365000200027520260703140549.0  a9789349750142  aStein, William  aModular forms, a computational approach  aTelanganabUniversities pressc2026  axv+268  aGraduate studies in mathematics  aGraduate studies in mathematics Vol 79  aDirichlet characters  aEisenstein series  aHecke operators