Maoan Han, Valery G. Romanovski. Isochronicity and normal forms of polynomial systems of ODEs. Journal of Symbolic Computation, 47(10):1163-1174, 2012. [doi]
@article{HanR12-0,
title = {Isochronicity and normal forms of polynomial systems of ODEs},
author = {Maoan Han and Valery G. Romanovski},
year = {2012},
doi = {10.1016/j.jsc.2011.12.039},
url = {http://dx.doi.org/10.1016/j.jsc.2011.12.039},
researchr = {https://researchr.org/publication/HanR12-0},
cites = {0},
citedby = {0},
journal = {Journal of Symbolic Computation},
volume = {47},
number = {10},
pages = {1163-1174},
}