Қайырбек, Ж., Аузерхан, Г., & Жапсарбаева, Л. (2020). ESTIMATES OF THE EIGENVALUES AND EIGENFUNCTIONS OF OPERATOR ARISING IN SWELLING PRESSURE MODEL. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, 71(3), 59–66. https://doi.org/10.51889/2020-3.1728-7901.08