Liu, Y., & Li, J. (2014). Z-equivariant cubic system which yields 13 limit cycles. Acta Mathematicae Applicatae Sinica, 30(3), 781. https://doi.org/10.1007/s10255-014-0420-x
Chicago Style (17th ed.) CitationLiu, Yi-rong, and Ji-bin Li. "Z-equivariant Cubic System Which Yields 13 Limit Cycles." Acta Mathematicae Applicatae Sinica 30, no. 3 (2014): 781. https://doi.org/10.1007/s10255-014-0420-x.
MLA (9th ed.) CitationLiu, Yi-rong, and Ji-bin Li. "Z-equivariant Cubic System Which Yields 13 Limit Cycles." Acta Mathematicae Applicatae Sinica, vol. 30, no. 3, 2014, p. 781, https://doi.org/10.1007/s10255-014-0420-x.
Warning: These citations may not always be 100% accurate.