@article{10_4153_CMB_1972_011_6,
     author = {Binding, P. A. and Hoskins, W. D. and Ponzo, P. J.},
     title = {Bounds for {Characteristic} {Values} of {Positive} {Definite} {Matrices}},
     journal = {Canadian mathematical bulletin},
     pages = {51--56},
     year = {1972},
     volume = {15},
     number = {1},
     doi = {10.4153/CMB-1972-011-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-011-6/}
}