![Coupled van der Pol and Duffing oscillators: emergence of antimonotonicity and coexisting multiple self-excited and hidden oscillations | SpringerLink Coupled van der Pol and Duffing oscillators: emergence of antimonotonicity and coexisting multiple self-excited and hidden oscillations | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1140%2Fepjp%2Fs13360-022-03000-2/MediaObjects/13360_2022_3000_Fig19_HTML.png)
Coupled van der Pol and Duffing oscillators: emergence of antimonotonicity and coexisting multiple self-excited and hidden oscillations | SpringerLink
![Phase-portrait of the autonomous Van der Pol equation with reversed... | Download Scientific Diagram Phase-portrait of the autonomous Van der Pol equation with reversed... | Download Scientific Diagram](https://www.researchgate.net/publication/268205649/figure/fig1/AS:669395114283019@1536607640448/Phase-portrait-of-the-autonomous-Van-der-Pol-equation-with-reversed-vector-field.png)
Phase-portrait of the autonomous Van der Pol equation with reversed... | Download Scientific Diagram
![Actress Anneliese van der Pol, co-star of the television series "That's So Raven" poses for photographers as she arrives as a guest at the premiere of the new comedy film "Mean Girls" Actress Anneliese van der Pol, co-star of the television series "That's So Raven" poses for photographers as she arrives as a guest at the premiere of the new comedy film "Mean Girls"](https://c8.alamy.com/comp/2CN8CHJ/actress-anneliese-van-der-pol-co-star-of-the-television-series-thats-so-raven-poses-for-photographers-as-she-arrives-as-a-guest-at-the-premiere-of-the-new-comedy-film-mean-girls-in-hollywood-april-19-2004-the-film-stars-lindsay-lohan-who-portrays-a-15-year-old-girl-raised-in-africaand-home-schooled-by-her-zoologist-parents-who-faces-new-challenges-as-she-enters-public-high-school-for-the-first-time-to-deal-with-the-unwritten-social-rules-of-teenage-girls-the-film-opens-april-30-in-the-united-states-reutersfred-prouser-reuters-fsp-2CN8CHJ.jpg)
Actress Anneliese van der Pol, co-star of the television series "That's So Raven" poses for photographers as she arrives as a guest at the premiere of the new comedy film "Mean Girls"
![Electric circuit modelizing the Van der Pol oscillator in an autonomous... | Download Scientific Diagram Electric circuit modelizing the Van der Pol oscillator in an autonomous... | Download Scientific Diagram](https://www.researchgate.net/publication/283894096/figure/fig1/AS:314150698930176@1451910771920/Electric-circuit-modelizing-the-Van-der-Pol-oscillator-in-an-autonomous-regime.png)