Duality of transformation functions in the interior point methods. Halická, M.; Hamala, M. — 1996 Acta Mathematica Universitatis Comenianae. New Series
Monotonicity of the Lagrangian function in the parametric interior point methods of convex programming. Hamala, M.; Halická, M. — 1992 Acta Mathematica Universitatis Comenianae. New Series