Atangana A, Koca I. Witte’s conditions for uniqueness of solutions to a class of Fractal-Fractional ordinary differential equations. Int. J. Optim. Control, Theor. Appl. (IJOCTA) [Internet]. 2024 Oct. 9 [cited 2025 Feb. 2];14(4):322-35. Available from: http://ijocta.org/index.php/files/article/view/1639