@article{MAN_1982__260_163683, author = {Tsuneo Arakawa}, title = {Generalized {Eta-Functions} and {Certain} {Ray} {Class} {Invariants} of {Real} {Quadratic} {Fields.}}, journal = {Mathematische Annalen}, pages = {475--494}, publisher = {mathdoc}, volume = {260}, year = {1982}, zbl = {0477.12007}, url = {http://geodesic.mathdoc.fr/item/MAN_1982__260_163683/} }