@article{1183512209, author = {Behrend, F. A.}, title = {Generalization of an inequality of Heilbronn and Rohrbach}, journal = {Bull. Amer. Math. Soc.}, volume = {54}, number = {12}, year = {1948}, pages = { 681-684}, language = {en}, url = {http://dml.mathdoc.fr/item/1183512209} }
Behrend, F. A. Generalization of an inequality of Heilbronn and Rohrbach. Bull. Amer. Math. Soc., Tome 54 (1948) no. 12, pp. 681-684. http://gdmltest.u-ga.fr/item/1183512209/