TY - JOUR T1 - Denominators of Eisenstein cohomology classes for GL(2) over imaginary quadratic fields JO - MANUSCRIPTA MATH PY - 2008/04/01 AU - Berger T ED - DO - DOI: 10.1007/s00229-007-0139-6 VL - 125 IS - 4 SP - 427 EP - 470 Y2 - 2024/12/22 ER -