Isaryuk, I. M., and I. D. Pukalskyi. “Nonlocal Parabolic Problem With Degeneration”. Ukrains’kyi Matematychnyi Zhurnal 66, no. 2 (February 25, 2014): 208–215. Accessed April 26, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2124.