ICK-SOON CHANG, HARK-MAHN KIM, and JOHN M. RASSIAS. 2024. “APPROXIMATE EULER–LAGRANGE QUADRATIC MAPPINGS IN FUZZY BANACH SPACES”. Journal of Computational Analysis and Applications (JoCAAA) 32 (1):103-16. http://eudoxuspress.com/index.php/pub/article/view/45.