on intuitionistic fuzzy sets theory (en Inglés) - krassimir t. atanassov

this book aims to be a  comprehensive and accurate survey of state-of-art research on intuitionistic fuzzy sets theory and could be considered a continuation and extension of the author´s previous book on intuitionistic fuzzy sets, published by springer in 1999 (atanassov, krassimir t., intuitionistic fuzzy sets, studies in fuzziness and soft computing, isbn 978-3-7908-1228-2, 1999). since the aforementioned  book has appeared, the research activity of the author within the area of intuitionistic fuzzy sets has been expanding into many directions. the results of the author´s most recent work covering the past 12 years as well as the newest general ideas and open problems in this field have been therefore collected in this new book.