On well-posedness of quadratic minimization problem on ellipsoid and polyhedron. Jaćimović, M.; Krnić, I.; Potapov, M.M. — 1997 Publications de l'Institut Mathématique. Nouvelle Série
On the Accuracy of Regularized Solutions to Quadratic Minimization Problems on a Half-Space, in Case of a Normally Solvable Operator I. Krnić; O. Obradović; M.M. Potapov — 2004 The Yugoslav Journal of Operations Research