The asymmetric travelling salesman problem and a reformulation of the Miller-Tucker-Zemlin constraints. - Luis Eduardo Neves Gouveia; Jose Manuel Pires (Eur. J. Oper. Res., 1999)

The asymmetric travelling salesman problem: on generalizations of disaggregated Miller-Tucker-Zemlin constraints. - Luis Eduardo Neves Gouveia; Jose Manuel Pires (Discret. Appl. Math., 2001)

Models for a Steiner ring network design problem with revenues. - Luis Eduardo Neves Gouveia; Jose Manuel Pires (Eur. J. Oper. Res., 2001)