Stability Problems P. Habets: Stabilite asymptotique pour des problemes de perturbations singulieres. J.K. Hale: Stability of linear systems with delays. V. Lakshmikantham: Stability and asymptotic behaviour of solutions of differential equations in a Banach space. P. Negrini: On a definition of total stability for continuous or discrete dynamical systems. N. Rouche: Theorie de la stabilite dans les equations differentielles ordinaires. E.O. Roxin: Stability and differential games