@article{10_4064_am29_1_3,
     author = {Tomasz Rychlik},
     title = {Optimal mean-variance bounds on
 order statistics from families
 determined by star ordering},
     journal = {Applicationes Mathematicae},
     pages = {15--32},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {2002},
     doi = {10.4064/am29-1-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am29-1-3/}
}