Ronald E. Mickens. Oscillations in Planar Dynamic Systems. Volume 37 of Series on Advances in Mathematics for Applied Sciences, World Scientific, 1996. [doi]
@book{Mickens96, title = {Oscillations in Planar Dynamic Systems}, author = {Ronald E. Mickens}, year = {1996}, doi = {10.1142/2778}, url = {http://dx.doi.org/10.1142/2778}, researchr = {https://researchr.org/publication/Mickens96}, cites = {0}, citedby = {0}, volume = {37}, series = {Series on Advances in Mathematics for Applied Sciences}, publisher = {World Scientific}, isbn = {978-981-4500-33-3}, }