ASLANOVA, N. M.; BAIRAMOGLY, M. On Generalized Regularized Trace of a Fourth-Order Differential Operator with Operator Coefficient. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 1, p. 128–134, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2116. Acesso em: 5 dec. 2025.