1.
Abderrahim Guerfi, Abdelouaheb Ardjouni. Periodic solutions of almost linear Volterra integro-dynamic systems. Malaya J. Mat. [Internet]. 2020 Oct. 1 [cited 2024 Jul. 16];8(04):1427-33. Available from: https://www.malayajournal.org/index.php/mjm/article/view/1637