Mohammad Taghi Darvishi and Samad Kheybari, An Approximate Solution of the Classical Van der Pol Oscillator Coupled Gyroscopically to a Linear Oscillator Using Parameter-Expansion Method. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. August 2011, vol. 56(8). 1423 - 1425 [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/15920.