%0 Journal Article %T Periodic Solutions of Certain n-th Order... %J Scientia Iranica %I Sharif University of Technology %Z 1026-3098 %A Shadman, D. %A Mehri, B. %D 1995 %\ 01/01/1995 %V 1 %N 4 %P - %! Periodic Solutions of Certain n-th Order... %R %X %U https://scientiairanica.sharif.edu/article_3033_f441343b9e1b843f0931f868d3408660.pdf