Voir la notice de l'article provenant de la source Math-Net.Ru
@article{PA_2014_3_1_a2, author = {E. Neuman}, title = {Optimal bounds for certain bivariate means}, journal = {Problemy analiza}, pages = {35--43}, publisher = {mathdoc}, volume = {3}, number = {1}, year = {2014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PA_2014_3_1_a2/} }
E. Neuman. Optimal bounds for certain bivariate means. Problemy analiza, Tome 3 (2014) no. 1, pp. 35-43. http://geodesic.mathdoc.fr/item/PA_2014_3_1_a2/