Dinh, Hai. “Regularization for a Riesz-Feller Space Fractional Backward Diffusion Problem With a Time-Dependent Coefficient”. VNUHCM Journal of Natural Sciences 1, no. T5 (November 29, 2018): 172-183. Accessed October 4, 2025. http://stdjns.scienceandtechnology.com.vn/index.php/stdjns/article/view/551.