@article{10_21136_MB_2009_140649,
     author = {Wen, Jiajin and Cheng, Sui Sun and Gao, Chaobang},
     title = {Optimal sublinear inequalities involving geometric and power means},
     journal = {Mathematica Bohemica},
     pages = {133--149},
     publisher = {mathdoc},
     volume = {134},
     number = {2},
     year = {2009},
     doi = {10.21136/MB.2009.140649},
     mrnumber = {2535142},
     zbl = {1212.26079},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2009.140649/}
}