Shadman,D and Mehri,B . (1995). Periodic Solutions of Certain n-th Order.... (e3033). Scientia Iranica, 1(4), e3033
Shadman,D , and Mehri,B . "Periodic Solutions of Certain n-th Order..." .e3033 , Scientia Iranica, 1, 4, 1995, e3033.
Shadman D, Mehri B. (1995). 'Periodic Solutions of Certain n-th Order...', Scientia Iranica, 1(4), e3033.
D Shadman and B Mehri, "Periodic Solutions of Certain n-th Order...," Scientia Iranica, 1 4 (1995): e3033,
Shadman D, Mehri B. Periodic Solutions of Certain n-th Order.... Scientia Iranica. 1995;1(4):e3033.
