Volterra, V. (1959). Theory of functionals and of integrals and integro-differential equations. Dover.
芝加哥风格引文Volterra, Vito. Theory of Functionals and of Integrals and Integro-differential Equations. New York: Dover, 1959.
MLA引文Volterra, Vito. Theory of Functionals and of Integrals and Integro-differential Equations. Dover, 1959.
警告：这些引文格式不一定是100％准确.