Legendre polynomial solutions of high-order linear Fredholm integro-differential equations. - Salih Yalçinbas; Mehmet Sezer; Hüseyin Hilmi Sorkun (Appl. Math. Comput., 2009)

Variational Iteration Method for Volterra Functional Integrodifferential Equations with Vanishing Linear Delays. - Ali Konuralp; Hüseyin Hilmi Sorkun (J. Appl. Math., 2014)