TY - JOUR AU - Pedro Huidobro AU - Pedro Alonso AU - Vladimír Janiš AU - Susana Montes TI - Convexity of hesitant fuzzy sets based on aggregation functions JO - Computer Science and Information Systems PY - 2021 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CSIS_2021_18_1_a11/ ID - CSIS_2021_18_1_a11 ER -