Pardo, Mercedes; Echavarren, Jose M.; Aleman, Eliana; Berge, Erling; Carlsson, Lars(Department of Sociology and Political Science, Norwegian University of Science and Technology, 2003)
Germain, Marc; Toint, Philippe; Tulkens, Henry(Edward ElgarCenter for Operations Research and Econometrics (CORE), Catholic University of Louvain, Louvain-La-Neuve, Belgium, 1998)