1. Continuous dependence of solutions of Volterra integral equations;Artstein;SIAM J. Math. Anal.,1975
2. Z. Artstein, Continuous dependence of solutions of operator equations, Lefschetz Center for Dynamical Systems, Brown Univ., preprint.
3. J. K. Hale, α-contraction and differential equations, Proc. Equations Differential Fon. Nonlin., Brussels 1973, pp. 15–42. Herman, Paris, 1973.
4. Continuous dependence of fixed points of condensing maps;Hale;J. Math. Anal,1974