@article{10_4153_CMB_2000_048_3,
     author = {Borwein, David},
     title = {Weighted {Mean} {Operators} on lp},
     journal = {Canadian mathematical bulletin},
     pages = {406--412},
     year = {2000},
     volume = {43},
     number = {4},
     doi = {10.4153/CMB-2000-048-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2000-048-3/}
}