Merino Maestre, MariaUnanue Gual, Imanol2024-12-052024-12-0541966http://doi.org/10.1387/ekaia.17851http://www.ehu.eus/ojs/index.php/ekaia/article/download/17851/17517https://gordailua.ueu.eus/handle/123456789/19899Matematikaarticle