@article{paperid:1024964, author = {Effati, Sohrab and Saberi Nik, Hassan}, title = {Solving a class of linear and non-linear optimal control problems by homotopy}, journal = {IMA Journal of Mathematical Control and Information}, year = {2011}, volume = {28}, number = {2}, month = {March}, issn = {0265-0754}, pages = {539--553}, numpages = {14}, keywords = {homotopy perturbation method; optimal control problems; Pontryagin’s maximum principle; Hamiltonian system.}, }