BIBCYT http://bibcyt.ucla.edu.ve/cgi-win/be_alex.exe?Ultimo&Nombrebd=BIBCYT UCLA - Biblioteca de Ciencias y Tecnologia Felix Morales Bueno Hino, Yoshiyuki P Principal Murakami, Satoru S Secundario Naito, Toshiki S Secundario Van Minh, Nguyen S Secundario A Variation-of-Constants Formula for Abstract Functional Differential Equations in the Phase Space 336-355p.