Report / Centrum voor wiskunde en inform. AM-R8915 : Threshold and stability for an age-structured epidemic model / H.Inaba, 1989. - 21 p. - Текст : непосредственный.
Report / Centrum voor wiskunde en inform. AM-R8916 : Perturbation theory for dual semigroups and its applications to age-dependment population dynamics / H.Inaba, 1989. - 23 p. - Текст : непосредственный.