Fuzhong Cong. Existence of periodic solutions of (2n + 1)th-order ordinary differential equations. Appl. Math. Lett., 17(6):727-732, 2004. [doi]
@article{Cong04,
title = {Existence of periodic solutions of (2n + 1)th-order ordinary differential equations},
author = {Fuzhong Cong},
year = {2004},
doi = {10.1016/S0893-9659(04)90112-7},
url = {http://dx.doi.org/10.1016/S0893-9659(04)90112-7},
researchr = {https://researchr.org/publication/Cong04},
cites = {0},
citedby = {0},
journal = {Appl. Math. Lett.},
volume = {17},
number = {6},
pages = {727-732},
}