%0 Journal Article %A Diaz, Joaquin B. %A VĂ½bornĂ½, Rudolf %T A fractional mean value theorem, and a Taylor theorem, for strongly continuous vector valued functions %J Czechoslovak Mathematical Journal %D 1965 %P 299-304 %V 15 %N 2 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1965.100672/ %R 10.21136/CMJ.1965.100672 %G en %F 10_21136_CMJ_1965_100672