Naser, Rusul Hassan, Wafaa Hadi Hanoon, and Layla Abd Al-Jaleel Mohsin. “The Complete Solution of Some Kinds of Linear Third Order Partial Differential Equations With Three Independent Variables and Variable Coefficients”. JOURNAL OF ADVANCES IN MATHEMATICS 12, no. 10 (November 30, 2016): 6705–6713. Accessed November 22, 2024. https://rajpub.com/index.php/jam/article/view/101.