JOSE MANUEL SOTO HIDALGO2026-01-292026-01-29201510.1016/j.ijar.2015.05.0052-s2.0-84930060639https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/26144Applied MathematicsArtificial IntelligenceSoftwareTheoretical Computer ScienceFuzzy sets on 2D spaces for fineness representationresearch article