Volterra, Vito . Theory of Functionals and of Integral and Integro Differential Equations / Textual Documents Vito Volterra. - 1st ed. / - New York : Dover Publications Inc. , 1959. - 226p. : ill ; 22cm . Subjects--Index Terms: Functionals Differential Equations G-Mathematics Dewey Class. No.: 517.3 / V 889 T