@article{10_4153_CJM_1992_003_9,
     author = {Bennett, Grahame},
     title = {Lower {Bounds} for {Matrices,} {II}},
     journal = {Canadian journal of mathematics},
     pages = {54--74},
     year = {1991},
     volume = {44},
     number = {1},
     doi = {10.4153/CJM-1992-003-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1992-003-9/}
}