@article{JCA_2017_24_4_JCA_2017_24_4_a2,
     author = {B. Gonz\'alez Merino},
     title = {Improving {Bounds} for the {Perel'man-Pukhov} {Quotient} for {Inner} and {Outer} {Radii}},
     journal = {Journal of convex analysis},
     pages = {1099--1116},
     year = {2017},
     volume = {24},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JCA_2017_24_4_JCA_2017_24_4_a2/}
}