1.
Jenaliyev M, Yergaliyev M, Sharipov K. On a family of spectral problems for fourth-order ordinary differential operators. M [Internet]. 2026 Sep. 30 [cited 2026 Sep. 30];3(123):99-108. Available from: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/1267