Alnasr, M. H., Erjaee, G. H.. (1390). Application of the multistage homotopy perturbation method to some dynamical systems. , 35(1), 33-38. doi: 10.22099/ijsts.2011.2126
M. H. Alnasr; G. H. Erjaee. "Application of the multistage homotopy perturbation method to some dynamical systems". , 35, 1, 1390, 33-38. doi: 10.22099/ijsts.2011.2126
Alnasr, M. H., Erjaee, G. H.. (1390). 'Application of the multistage homotopy perturbation method to some dynamical systems', , 35(1), pp. 33-38. doi: 10.22099/ijsts.2011.2126
Alnasr, M. H., Erjaee, G. H.. Application of the multistage homotopy perturbation method to some dynamical systems. , 1390; 35(1): 33-38. doi: 10.22099/ijsts.2011.2126