Krassimir T. Atanassov, Peter Vassilev. On the Intuitionistic Fuzzy Sets of n-th Type. In Adam E. Gaweda, Janusz Kacprzyk, Leszek Rutkowski, Gary G. Yen, editors, Advances in Data Analysis with Computational Intelligence Methods - Dedicated to Professor Jacek Żurada. Volume 738 of Studies in Computational Intelligence, pages 265-274, Springer, 2018. [doi]
Abstract is missing.