Stability of lagrangian duality for nonconvex quadratic programming. Solution methods and applications in computer vision Pham Dinh Tao; Thai Quynh Phong; Radu Horaud; Long Quan — 1997 ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique
On globally solving linearly constrained indefinite quadratic minimization problems by decomposition branch and bound method Thaï Quynh Phong; Le Thi Hoai An; Pham Dinh Tao — 1996 RAIRO - Operations Research - Recherche Opérationnelle