[1]
Y. O. Baranetskij, P. I. Kalenyuk, and L. I. Kolyasa, “Spectral properties of nonself-adjoint nonlocal
boundary-value problems for the operator of differentiation of even order”,
Ukr. Mat. Zhurn., vol. 70, no. 6, pp. 739–751, Jun. 2018, Accessed: Apr. 23, 2025. [Online]. Available:
https://umj.imath.kiev.ua/index.php/umj/article/view/1592