Zikirov, Obidzhan Salidzhanovich. “A non‐local Boundary Value Problem for third‐order Linear Partial Differential Equation of Composite Type”. Mathematical Modelling and Analysis 14, no. 3 (September 30, 2009): 407-421. Accessed December 22, 2024. https://journals.vilniustech.lt/index.php/MMA/article/view/6562.