Special point "trains" in the M-R diagram of hybrid starsDavid Blaschke, Alexander Ayriyan, Mateusz Cierniak, Ana Gabriela Grunfeld, Oleksii Ivanytskyi and Mahboubeh ShahrbafEPJ Web Conf., 274 (2022) 07011DOI: https://doi.org/10.1051/epjconf/202227407011