Koumla, Sylvain, and Radu Precup. “Study on Integrodifferential Evolution Systems With Nonlocal Initial Conditions”. Recent Advances in Mathematical Research and Computer Science Vol. 5 (November 22, 2021): 13–27. Accessed June 20, 2026. https://stm.bookpi.org/RAMRCS-V5/article/view/4964.