Litovchenko, V. “Cauchy Problem for Equations With Fractional Differentiation Bessel Operator in the Space of Temperate Distributions”. Nonlinear Analysis: Modelling and Control 8, no. 1 (January 25, 2003): 61–75. Accessed July 23, 2024. https://www.journals.vu.lt/nonlinear-analysis/article/view/15178.