@article{M2AN_1997__31_1_57_0,
     author = {Pham Dinh Tao and Thai Quynh Phong and Horaud, Radu and Quan, Long},
     title = {Stability of lagrangian duality for nonconvex quadratic programming. {Solution} methods and applications in computer vision},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {57--90},
     publisher = {Elsevier},
     volume = {31},
     number = {1},
     year = {1997},
     mrnumber = {1432852},
     zbl = {0878.65045},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1997__31_1_57_0/}
}