@article{GDZPPN002549859, title = {Inequalities and identities for ... .}, journal = {Aequationes mathematicae}, volume = {20}, year = {1980}, pages = {23-32}, zbl = {0448.33014}, url = {http://dml.mathdoc.fr/item/GDZPPN002549859} }
Ross, Dieter K. Inequalities and identities for ... .. Aequationes mathematicae, Tome 20 (1980) pp. 23-32. http://gdmltest.u-ga.fr/item/GDZPPN002549859/