@article {IOPORT.50275901,
    author       = {Das, S.},
    title        = {Analytical solution of a fractional diffusion equation by variational iteration method},
    year         = {2009},
    journal      = {Computers & Mathematics with Applications},
    volume       = {57},
    number       = {3},
    pages        = {483-487},
    doi          = {10.1016/j.camwa.2008.09.045},
    identifier   = {50275901},
}