H Alzer, S Qiu - Archiv der Mathematik, 2003 - infona.pl
We present various new inequalities involving the logarithmic mean $ L (x, y)=(xy)/(\log {x}-
\log {y}) $, the identric mean $ I (x, y)=(1/e)(x^ x/y^ y)^{1/(xy)} $, and the classical arithmetic …