@article{paperid:1035407, author = {Saberi Nik, Hassan and Effati, Sohrab}, title = {An approximate method for solving a class of nonlinear optimal control problems}, journal = {Optimal control applications and Methods}, year = {2013}, volume = {35}, number = {3}, month = {January}, issn = {0143-2087}, pages = {324--339}, numpages = {15}, keywords = {differential transform method; DT’s polynomials; nonlinear optimal control problems; Pontryagin’s maximum principle}, }