Hernández, H., Alberdi, E. , Álvarez, I., Goti, A., Álvarez, L. and Oregi, X. 2026. Analysis of Air Quality Evolution in the Basque Autonomous Community Using Radial Basis Function Interpolation and Unsupervised Learning. Contemporary Mathematics . 7, 2 (Mar. 2026), 1704–1724. DOI:https://doi.org/10.37256/cm.7220268951.