TY - JOUR AU - Harmati, István Á. AU - Kóczy, László T. TI - On the convergence of sigmoidal fuzzy grey cognitive maps JO - International Journal of Applied Mathematics and Computer Science PY - 2019 SP - 453 EP - 466 VL - 29 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJAMCS_2019_29_3_a2/ LA - en ID - IJAMCS_2019_29_3_a2 ER -