REGULARIZATION OF A MULTIDIMENSIONAL INVERSE PROBLEM WITH THE D’ALEMBERT OPERATOR, DEGENERATING INTO A SYSTEMOF VOLTERRA EQUATIONS. Far East Journal of Mathematical Sciences (FJMS), [S. l.], v. 142, n. 4, p. 559–570, 2025. DOI: 10.17654/0972087125031. Disponível em: https://pphmjopenaccess.com/fejms/article/view/3185. Acesso em: 5 jan. 2026.