@article{JRAM_1975__272_151531,
     author = {Bruce C. Berndt},
     title = {Generalized {Eisenstein} series and modified {Dedekind} sums.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {182--193},
     publisher = {mathdoc},
     volume = {272},
     year = {1975},
     zbl = {0294.10018},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1975__272_151531/}
}