Intuitionistic fuzzy sets - an alternative look. - Anna Pankowska; Maciej Wygralak (EUSFLAT Conf., 2003)

On Hesitation Degrees in IF-Set Theory. - Anna Pankowska; Maciej Wygralak (ICAISC, 2004)

General IF-sets with triangular norms and their applications to group decision making. - Anna Pankowska; Maciej Wygralak (Inf. Sci., 2006)

Dealing with Incompleteness of Preferences in Group Decision Making Problems. - Anna Pankowska (EUSFLAT Conf. (2), 2007)