TY - JOUR AU - Herrera Viedma, Enrique PY - 2015 UR - http://hdl.handle.net/10481/64924 LA - eng PB - VILNIUS GEDIMINAS TECH UNIV TI - Fuzzy sets and fuzzy logic in multi-criteria decision making. the 50th anniversary of prof. lotfi zadeh's theory: Introduction DO - 10.3846/20294913.2015.1084956 ER -