Aliev, B. A., Kurbanova, N. K. and Yakubov, Y. (2017) “On one boundary-value problem for elliptic differential-operator equations of the second order with quadratic spectral parameter”, Ukrains’kyi Matematychnyi Zhurnal, 69(6), pp. 734-750. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1732 (Accessed: 29March2024).