@article{GDZPPN002375192, title = {The mininima of positive definite Heranmitian binary quadratic forms}, journal = {Mathematische Zeitschrift}, volume = {38}, year = {1934}, pages = {538-545}, zbl = {0009.05201}, url = {http://dml.mathdoc.fr/item/GDZPPN002375192} }
Oppenheim, A. The mininima of positive definite Heranmitian binary quadratic forms. Mathematische Zeitschrift, Tome 38 (1934) pp. 538-545. http://gdmltest.u-ga.fr/item/GDZPPN002375192/