@article{GDZPPN002056208, title = {The class number of an imaginary quadratic field.}, journal = {Commentarii mathematici Helvetici}, volume = {27}, year = {1953}, pages = {338-345}, zbl = {0052.03402}, url = {http://dml.mathdoc.fr/item/GDZPPN002056208} }
Carlitz, L. The class number of an imaginary quadratic field.. Commentarii mathematici Helvetici, Tome 27 (1953) pp. 338-345. http://gdmltest.u-ga.fr/item/GDZPPN002056208/