@article{paperid:1009861, author = {Saberi- Nadjafi, Jafar and Ghorbani, Asghar}, title = {An effective modification of He s variational iteration method}, journal = {Nonlinear Analysis: Real World Applications}, year = {2009}, number = {10}, month = {October}, issn = {1468-1218}, pages = {2828--2833}, numpages = {5}, keywords = {Modified variational iteration method He s variational iteration method Ordinary differential equations Partial differential equations Integral equations Integro-differential equations}, }