Karaca, Ilkay Yaslan, and Fatma Tokmak Fen. “Positive Solutions of Nth-Order Boundary Value Problems With Integral Boundary Conditions”. Mathematical Modelling and Analysis 20, no. 2 (March 30, 2015): 188-204. Accessed December 2, 2024. https://mma.vgtu.lt/index.php/MMA/article/view/993.