@article{JRAM_1976__0286_0287_151793, author = {R.W. Davis}, title = {Class number formulae for imaginary quadratic fields.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {369--379}, publisher = {mathdoc}, volume = {0286_0287}, year = {1976}, zbl = {0335.12007}, url = {http://geodesic.mathdoc.fr/item/JRAM_1976__0286_0287_151793/} }