1. Équations paraboliques à retardement;Artola;C. R. Acad. Sci. Paris,1967
2. Sur une équation d'évolution du premier ordre à argument retardé;Artola;C. R. Acad. Sci. Paris Sér. A,1969
3. On the Cauchy problem for linear nonhomogeneous differential equations with retarded argument;Borisovič;Soviet Math. Dokl.,1969
4. Norms and semigroups in the theory of fading memory;Coleman;Arch. Rational Mech. Anal.,1966
5. Stability of functional differential equations;Coleman;Arch. Rational Mech. Anal.,1968