Lorenzi, Alfredo. “A Strongly Ill-Posed Integro-Differential Parabolic Problem With Integral Boundary Conditions”. Mathematical Modelling and Analysis 18, no. 3 (June 1, 2013): 395-414. Accessed July 3, 2024. https://jau.vgtu.lt/index.php/MMA/article/view/4122.