@article{JCA_2007_14_4_JCA_2007_14_4_a10,
     author = {B. Yan},
     title = {On {p-Quasiconvex} {Hulls} of {Matrix} {Sets}},
     journal = {Journal of convex analysis},
     pages = {879--889},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/JCA_2007_14_4_JCA_2007_14_4_a10/}
}