Lévy noise induced transitions and enhanced stability in a birhythmic van der Pol systemRené Yamapi, Raoul Mbakob Yonkeu, Giovanni Filatrella and Jürgen KurthsEur. Phys. J. B, 92 7 (2019) 152DOI: https://doi.org/10.1140/epjb/e2019-100029-x