1.
BENCHOHRA, Mouffak, GÓRNIEWICZ, Lech, NTOUYAS, Sotiris K. and OUAHAB, Abdelghani. Impulsive hyperbolic differential inclusions with variable times. Topological Methods in Nonlinear Analysis. Online. 1 December 2003. Vol. 22, no. 2, pp. 319 - 329. [Accessed 22 July 2024].