Forced synchronization of an oscillator with a line of equilibriaIvan A. Korneev, Andrei V. Slepnev, Vladimir V. Semenov and Tatiana E. VadivasovaEur. Phys. J. Special Topics, 229 12-13 (2020) 2215-2224DOI: https://doi.org/10.1140/epjst/e2020-900146-9