@article {IOPORT.50274884,
    author       = {Yousefi, S. A. and Lotfi, A. and Dehghan, Mehdi},
    title        = {He's variational iteration method for solving nonlinear mixed Volterra-Fredholm integral equations},
    year         = {2009},
    journal      = {Computers & Mathematics with Applications},
    volume       = {58},
    number       = {11-12},
    pages        = {2172-2176},
    doi          = {10.1016/j.camwa.2009.03.083},
    identifier   = {50274884},
}