@article{MTA_2016_1_2_a3,
     author = {Fabi ́an Flores-Baz ́an and Felipe Opazo},
     title = {Characterizing the convexity of joint-range for a pair of inhomogeneous quadratic functions and strong duality},
     journal = {Minimax theory and its applications},
     year = {2016},
     volume = {1},
     number = {2},
     zbl = {1379.90022},
     url = {http://geodesic.mathdoc.fr/item/MTA_2016_1_2_a3/}
}