et. al., Olimov Murodillo,. “Solutions Of Boundary-Value Problems For A System Of Differential Equations Of The Fourth Order With The Method Of Finite Differences”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 10 (April 28, 2021): 2209–2213. Accessed May 9, 2024. https://turcomat.org/index.php/turkbilmat/article/view/4743.